金融行业标准网 - 在线下载

ISO 8493 1998 Metallic materials — Tube — Drift-expanding test.pdf
ISO 8538 1999 Aerospace — Nuts, hexagonal, self-locking, with counterbore and captive washer, with MJ threads, classifications 1 100 MPa (at ambient temperature.pdf
ISO 8566-4 1998 Cranes — Cabins — Part 4 Jib cranes.pdf
ISO 8573-3 1999 Compressed air — Part 3 Test methods for measurement of humidity.pdf
ISO 8576 1996 Optics and optical instruments — Microscopes — Reference system of polarized light microscopy.pdf
ISO 8614 1997 Ski bindings — Vocabulary.pdf
ISO 8622 1998 Cinematography — Magnetic sound records on 70 mm motion-picture release prints with magnetic stripes — A-chain reproduction characteristics.pdf
ISO 8658 1997 Carbonaceous materials for use in the production of aluminium — Green and calcined coke — Determination of trace elements by flame atomic absorption spectrometry.pdf
ISO 8669-2 1996 Urine collection bags — Part 2 Requirements and test methods.pdf
ISO 8670-2 1996 Ostomy collection bags — Part 2 Requirements and test methods.pdf
ISO 8689-1 2000 Water quality — Biological classification of rivers — Part 1 Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates.pdf
ISO 8689-2 2000 Water quality — Biological classification of rivers — Part 2 Guidance on the presentation of biological quality data from surveys of benthic macroinvertebrates.pdf
ISO 8727 1997 Mechanical vibration and shock — Human exposure — Biodynamic coordinate systems.pdf
ISO 8734 1997 Parallel pins, of hardened steel and martensitic stainless steel (Dowel pins).pdf
ISO 8735 1997 Parallel pins with internal thread, of hardened steel and martensitic stainless.pdf
ISO 8739 1997 Grooved pins — Full-length parallel grooved, with pilot.pdf
ISO 8740 1997 Grooved pins — Full-length parallel grooved, with chamfer.pdf
ISO 8741 1997 Grooved pins — Half-length reverse-taper grooved.pdf
ISO 8743 1997 Grooved pins — Half-length centre grooved.pdf
ISO 8746 1997 Grooved pins with round head.pdf
ISO 875 1999 Essential oils — Evaluation of miscibility in ethanol.pdf
ISO 8759-2 1998 Agricultural wheeled tractors — Front-mounted equipment — Part 2 Stationary equipment connection.pdf
ISO 8785 1998 Geometrical Product Specification (GPS) — Surface imperfections — Terms, definitions and parameters.pdf
ISO 885 2000 General purpose bolts and screws — Metric series — Radii under the head.pdf
ISO 8861 1998 Shipbuilding — Engine-room ventilation in diesel-engined ships — Design requirements and basis of calculations.pdf
ISO 8957 1996 Information and documentation — Hebrew alphabet coded character sets for bibliographic information interchange.pdf
ISO 8973 1997 Liquefied petroleum gases — Calculation method for density and vapour pre.pdf
ISO 90-1 1997 Light gauge metal containers — Definitions and determination of dimensions and capacities — Part 1 Open-top cans.pdf
ISO 9087 1998 Wood - Determination of nail and screw holding power under axial load.pdf
ISO 9088 1997 Carbonaceous materials used for the production of aluminium — Cathode blocks and prebaked anodes — Determination of the density in xylene by a pyknometric method.pdf
ISO 9102 1997 Diesel engines — Screw-in injection nozzle holders, types 24, 25, 26 and 26.1.pdf
ISO 9114 1997 Crude petroleum — Determination of water content by hydride reaction — Field method.pdf
ISO 9136-2 1999 Abrasive grains — Determination of bulk density — Part 2 Microgrits.pdf
ISO 9139 1998 Aerospace — Nuts, plain or slotted (castellated) — Procurement specification.pdf
ISO 9140 1998 Aerospace — Nuts, plain or slotted (castellated) — Test methods.pdf
ISO 9141-3 1998 Road vehicles — Diagnostic systems — Part 3 Verification of the communication between vehicle and OBD II scan tool.pdf
ISO 9174 1998 Water quality — Determination of chromium — Atomic absorption spectrometric methods.pdf
ISO 9236-3 1999 Photography — Sensitometry of screen film systems for medical radiography — Part 3 Determination of sensit.pdf
ISO 9241-13 1998 Ergonomic requirements for office work with visual display terminals (VDTs) — Part 13 User guidance.pdf
ISO 9241-5 1998 Ergonomic requirements for office work with visual display terminals (VDTs) — Part 5 Workstation layout and postural requirements.pdf
ISO 9241-6 1999 Ergonomic requirements for office work with visual display terminals (VDTs) — Part 6 Guidance on the work environment.pdf
ISO 9276-1 1998 Representation of results of particle size analysis — Part 1 Graphical representation.pdf
ISO 928 1997 Spices and condiments — Determination of total ash.pdf
ISO 9283 1998 Manipulating industrial robots — Performance criteria and related test meth.pdf
ISO 9285 1997 Abrasive grains and crude — Chemical analysis of fused aluminium oxide.pdf
ISO 930 1997 Spices and condiments — Determination of acid-insoluble ash.pdf
ISO 9308-3 1998 Water quality — Detection and enumer.pdf
ISO 9327-1 1999 Steel forgings and rolled or forged bars for pressure purposes — Technical delivery conditions — Part 1 General requirements.pdf
ISO 9327-3 1999 Steel forgings and rolled or forged bars for pressure purposes — Technical delivery conditions — Part 3 Nickel steels with specified low temperature properties.pdf
ISO 9327-4 1999 Steel forgings and rolled or forged bars for pressure purposes — Technical delivery conditions — Part 4 Weldable fine grain steels with high proof strength.pdf
ISO 9329-2 1997 Seamless steel tubes for pressure purposes — Technical delivery conditions — Part 2 Unalloyed and alloyed steels with specified elevated temperature properties.pdf
ISO 9329-3 1997 Seamless steel tubes for pressure purposes — Technical delivery conditions — Part 3 Unalloyed and alloyed steels with specified low temperature properties.pdf
ISO 9329-4 1997 Seamless steel tubes for pressure purposes — Technical delivery conditions — Part 4 Austenitic stainless steels.pdf
ISO 9330-6 1997 Welded steel tubes for pressure purposes — Technical delivery conditions — Part 6 Longitudinally welded austenitic stainless steel tubes.pdf
ISO 936 1998 Meat and meat products — Determination of total ash.pdf
ISO 9360-1 2000 Anaesthetic and respiratory equipment — Heat and moisture exchangers (HMEs) for humidifying respired gases in humans — Part 1 HMEs for use with minimum tidal volumes of 250 ml.pdf
ISO 9408 1999 Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer.pdf
ISO 9418 1998 Aerospace — Rivets, solid, in aluminium or aluminium alloys — Procurement specification.pdf
ISO 9439 1999 Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium — Carbon dioxide evolution test.pdf
ISO 9553 1997 Solar energy — Methods of testing preformed rubber seals and sealing compounds used in collectors.pdf
ISO 959-1 1998 Pepper (Piper nigrum L.), whole or ground — Specification — Part 1 Black p.pdf
ISO 959-2 1998 Pepper (Piper nigrum L.), whole or ground — Specification — Part 2 White.pdf
ISO 9606-3 1999 Approval testing of welders — Fusion welding — Part 3 Copper and copper alloys.pdf
ISO 9606-4 1999 Approval testing of welders — Fusion welding — Part 4 Nickel and nickel alloys.pdf
ISO 9606-5 2000 Approval testing of welders — Fusion welding — Part 5 Titanium and titanium alloys, zirconium and zirconium alloys.pdf
ISO 9611 1996 Acoustics — Characterization of sources of structure-borne sound with respect to sound radiation from connected structures — Measurement of velocity at the contact.pdf
ISO 9623 1997 PE metal and PP metal adaptor fittings for pipes for fluids under pressur.pdf
ISO 965-2 1998 ISO general purpose metric screw threads — Tolerances — Part 2 Limits of sizes for general purpose external and internal screw threads — Medium quality.pdf
ISO 965-5 1998 ISO general purpose metric screw threads — Tolerances — Part 5 Lim.pdf
ISO 9653 1998 Adhesives — Test method for shear impact strength of adhesive bonds.pdf
ISO 9665 1998 Adhesives — Animal glues — Methods of sampling and testing.pdf
ISO 9702 1996 Plastics — Amine epoxide hardeners — Determination of primary, secondary and tertiary amine group nitrogen content.pdf
ISO 972 1997 Chillies and capsicums, whole or ground (powdered) — Specification.pdf
ISO 973 1999 Pimento (allspice) [Pimenta dioica (L.) Merr.], whole or ground — Specification.pdf
ISO 974 2000 Plastics — Determination of the brittleness temperature by impact.pdf
ISO 9763 1999 Aerospace — Aircraft control wire rope assemblies — Technical specification.pdf
ISO 9773 1998 Plastics — Determination of burning behaviour of thin flexible vertical specimens in contact with a small-flame ignition source.pdf
ISO 9831 1998 Animal feeding stuffs, animal products, and faeces or urine — Determination of gross calorific value — Bomb calorimeter method.pdf
ISO 9884-2 1999 Tea sacks — Specification — Part 2 Performance specification for sacks for palletized and containerized transport of.pdf
ISO 9888 1999 Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium — Static test (Zahn-Wellens method).pdf
ISO 9894 1996 Subsampling of uranium hexafluoride in the liquid phase.pdf
ISO 9896 1996 Plastics traps for discharge pipework systems inside buildings.pdf
ISO 9897 1997 Freight containers — Container equipment data exchange (CEDEX) — General communication codes.pdf
ISO 9909 1997 Oil of Dalmatian sage (Salvia officinalis L.).pdf
ISO 9946 1999 Manipulating industrial robots — Presentation of characteristics.pdf
ISO 9957-3 1997 Fluid draughting media — Part 3 Water-based coloured draughting inks — Requirements and test conditions.pdf
ISO 9974-1 1996 Connections for general use and fluid power — Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing — Part 1 Threaded ports.pdf
ISO 9974-2 1996 Connections for general use and fluid power — Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing — Part 2 Stud ends with elastomeric sealing (type E).pdf
ISO 999 1996 Information and documentation — Guidelines for the content, organization and presentation of indexes.pdf
ISO 9996 1996 Mechanical vibration and shock — Disturbance to human activity and performance — Classification.pdf
ISO IEC 10022 1996 Information technology — Open Systems Interconnection — Physical Service.pdf
ISO IEC 10026-1 1998 Information technology — Open Systems Interconnection — Distribu.pdf
ISO IEC 10026-2 1998 Information technology — Open Systems Interconnection — Distributed Transaction Processing — Part 2 OSI TP Service.pdf
ISO IEC 10026-5 1998 Information technology — Open Systems Interconnection — Distributed Transaction Processing — Part 5 Application context proforma and guidelines when using OSI TP.pdf
ISO IEC 10040 1998 Information technology — Open Systems Interconnection — Systems management overview.pdf
ISO IEC 10118-4 1998 Information technology — Security techniques — Hash-functions — Part 4 Hash-functions using modular arithmetic.pdf
ISO IEC 10165-6 1997 Information technology — Open Systems Interconnection — Structure of management information Requirements and guidelines for implementation conformance statement.pdf
ISO IEC 10165-7 1996 Information technology — Open Systems Interconnection — Structure of management information General relationship model.pdf
ISO IEC 10175-2 1996 Information technology — Text and office systems — Document Printing Application (DPA) — Part 2 Protocol specification.pdf
ISO IEC 10181-1 1996 Information technology — Open Systems Interconnection — Securi.pdf
ISO IEC 10181-2 1996 Information technology — Open Systems Interconnection — Security frameworks for open systems Authentication framework.pdf
ISO IEC 10181-3 1996 Information technology — Open Systems Interconnection — Security frameworks for open systems Access control framework.pdf
ISO IEC 10181-4 1997 Information technology — Open Systems Interconnection — Security frameworks for open systems Non-repudiation framework — Part 4.pdf
ISO IEC 10181-5 1996 Information technology — Open Systems Interconnection — Security frameworks for open systems Confidentiality framework.pdf
ISO IEC 10181-7 1996 Information technology — Open Systems Interconnection — Security frameworks for open systems Security audit and alarms framework.pdf
ISO IEC 10514-2 1998 Information technology — Programming languages — Part 2 Generics Modula-2.pdf
ISO IEC 10514-3 1998 Information technology — Programming languages — Part 3 Object Oriented Modula-2.pdf
ISO IEC 10536-3 1996 Identification cards — Contactless integrated circuit(s) cards.pdf
ISO IEC 10561 1999 Information technology — Office equipment — Printing devices — Method for measuring throughput — Class 1 and Class 2 printers.pdf
ISO IEC 10746-4 1998 Information technology — Open Distributed Processing — Reference Model Architectural semantics — Part 4.pdf
ISO IEC 10918-4 1999 Information technology — Digital compression and coding.pdf
ISO IEC 11160-1 1996 Information technology — Office equipment — Minimum information to be included in specification sheets — Printers — Part 1 Class 1 and Class 2 printers.pdf
ISO IEC 11518-3 1996 Information technology — High-Performance.pdf
ISO IEC 11518-9 1999 Information technology — High-Performance Parallel Interface — Part 9 Serial specification (HIPPI-Serial).pdf
ISO IEC 11571 1998 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Networks — Addressing.pdf
ISO IEC 11579-3 1999 Information technology — Private integrated services network — Part 3 Reference configuration for PINX extension lines.pdf
ISO IEC 11581-6 1999 Information technology — User system interfaces and symbols — Icon symbols and functions — Part 6 Action icons.pdf
ISO IEC 11584 1996 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Circuit-mode multi-rate bearer.pdf
ISO IEC 11586-1 1996 Information technology — Open Systems Interconnection — Generic upper layers security Overview, models and notation.pdf
ISO IEC 11586-2 1996 Information technology — Open Systems Interconnection — Generic upper layers security Security Exchange Service Element (SESE) service definition.pdf
ISO IEC 11586-3 1996 Information technology — Open Systems Interconnection — Generic upper layers security Security Exchange Service Element (SESE) protocol specification.pdf
ISO IEC 11586-4 1996 Information technology — Open Systems Interconnection — Generic upper layers security Protecting transfer syntax specification.pdf
ISO IEC 11587 1996 Information technology — Open Systems Interconnection — Application Context for Systems Management with Transaction Processing.pdf
ISO IEC 12089 1997 Information technology — Computer graphics and image processing — Encoding for the Image Interchange Facility (IIF).pdf
ISO IEC 13235-3 1998 Information technology — Open Distributed Processing — Trading Function — Part 3 Provision of Trading Function using OSI Directory service.pdf
ISO IEC 13236 1998 Information technology — Quality of service Framework.pdf
ISO IEC 13242 1997 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows.pdf
ISO IEC 13247 1997 Information technology — Telecommunications and information exchange between systems — Broadband Private Integrated Services Network — Inter-exchange signalling protocol — Basic.pdf
ISO IEC 13252 1999 Information technology — Enhanced communications transport service defin.pdf
ISO IEC 13346-2 1999 Information technology — Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange — Part 2 Volume and boot block recognition.pdf
ISO IEC 13346-3 1999 Information technology — Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange — Part 3 Volume structure.pdf
ISO IEC 13522-4 1996 Information technology — Coding of multimedia and hypermedia information — Part 4 MHEG registration procedure.pdf
ISO IEC 13522-6 1998 Information technology — Coding of multimedia and hypermedia information — Part 6 Support for enhanced interactive applications.pdf
ISO IEC 13642 1999 Information technology — Elements of management information related to the OSI Physical Layer.pdf
ISO IEC 13800 1996 Information technology — Procedure for the registration of identifiers and attributes for volume and file structure.pdf
ISO IEC 13818-3 1998 Information technology — Generic coding of moving pictures and associated audio information — Part 3 Audio.pdf
ISO IEC 13886 1996 Information technology — Language-Independent Procedure Calling (LIPC).pdf
ISO IEC 14165-211 1999 Information technology — Fibre Channel — Part 211 Mapping to HIPPI-FP (.pdf
ISO IEC 14417 1999 Information technology — Data recording format DD-1 for magnetic tape cassette conforming to IEC 1016.pdf
ISO IEC 14473 1999 Information technology — Office equipment — Minimum information to be specified for image scanners.pdf
ISO IEC 14478-1 1998 Information technology — Computer graphics and image processing — Presentation Environment for Multimedia Objects (PREMO) — Part 1 Fundamentals of PREMO.pdf
ISO IEC 14478-2 1998 Information technology — Computer graphics and image processing — Presentation Environment for Multimedia Objects (PREMO) — Part 2 Foundation Component.pdf
ISO IEC 14478-3 1998 Information technology — Computer graphics and image processing — Presentation Environment for Multimedia Objects (PREMO) — Part 3 Multimedia Systems Services.pdf
ISO IEC 14568 1997 Information technology — DXL Diagram eXchange Language for tree-struct.pdf
ISO IEC 14699 1997 Information technology — Open Systems Interconnection — Transport Fast.pdf
ISO IEC 14700 1997 Information technology — Open Systems Interconnection — Network Fast Byte Protocol.pdf
ISO IEC 14709-1 1997 Information technology — Configuration of Customer Premises Cabling (CPC) for applications — Part 1 Integrated Services Digital Network (ISDN) basic access.pdf
ISO IEC 14709-2 1998 Information technology — Configuration of customer premises cabling (CPC) for applications — Part 2 Integrated Services Digital Network (ISDN) primary rate.pdf
ISO IEC 14750 1999 Information technology — Open Distributed Processing — Interface Definition Language.pdf
ISO IEC 14754 1999 Information technology — Pen-Based Interfaces — Common gestures for Text Editing with Pen-Based Systems.pdf
ISO IEC 14755 1997 Information technology — Input methods to enter characters from the repertoire of ISO EC 10646 with a keyboard or other input device.pdf
ISO IEC 14756 1999 Information technology — Measurement and rating of performance of computer-based software systems.pdf
ISO IEC 14765 1997 Information technology — Framework for protocol identification and.pdf
ISO IEC 14766 1997 Information technology — Telecommunications and information exchange between systems — Use of OSI applications over the Internet Transmission Control Protocol (TCP).pdf
ISO IEC 14771 1999 Information technology — Open Distributed Processing — Naming framework.pdf
ISO IEC 14776-411 1999 Information technology — Small Computer System Interface-3 — Part 411 SCSI-3 Architecture Model (SCSI-3 SAM).pdf
ISO IEC 14833 1996 Information technology — Data interchange on 12,7 mm 128-Track magnetic tape cartridges — DLT 3 format.pdf
ISO IEC 14840 1996 Information technology — 12,65 mm wide magnetic tape cartridge for information interchange — Helical scan recording — Data-D3-1 format.pdf
ISO IEC 14845 1996 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows.pdf
ISO IEC 14863 1996 Information technology — System-Independent Data Format (SIDF).pdf
ISO IEC 14977 1996 Information technology — Syntactic metalanguage — Extended.pdf
ISO IEC 15055 1997 Information technology — Telecommunications and information.pdf
ISO IEC 15200 1996 Information technology — Adaptive Lossless Data Compression algorithm.pdf
ISO IEC 15286 1999 Information technology — 130 mm optical disk cartridges for information interchange — Capacity 5,2 Gbytes per cartridge.pdf
ISO IEC 15411 1999 Information technology — Segmented keyboard layouts.pdf
ISO IEC 15412 1999 Information technology — Portable computer keyboard layouts.pdf
ISO IEC 15428 1999 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model.pdf
ISO IEC 15430 1999 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows.pdf
ISO IEC 15507 1997 Information technology — Telecommunications and information.pdf
ISO IEC 15757 1998 Information technology — Data interchange on 8 mm wide magnetic tape cartridge — Helical scan recording — DA-2 format.pdf
ISO IEC 15771 1998 Information technology —Telecommunications and informatio.pdf
ISO IEC 15773 1998 Information technology — Telecommunications and information exchange between systems — Broadband Private Integrated Services Network — Inter-exchange signalling protocol.pdf
ISO IEC 15851 1999 Information technology — Communication protocol — Open MUMPS Interconnect.pdf
ISO IEC 15852 1999 Information technology — Programming languages — M Windowing API.pdf
ISO IEC 15895 1999 Information technology — Data interchange on 12,7 mm 128-track magnetic tape cartridges — DLT 3-XT format.pdf
ISO IEC 15896 1999 Information technology — Data interchange on 12,7 mm 208-track magnetic tape cartridges — DLT 5 format.pdf
ISO IEC 16509 1999 Information technology — Year 2000 terminology.pdf
ISO IEC 16825 1999 Information technology — Case for 120 mm DVD-RAM disks.pdf
ISO IEC 6523-2 1998 Information technology — Structure for the identification of organizations and organization parts — Part 2 Registration of organization identification schemes.pdf
ISO IEC 7498-3 1997 Information technology — Open Systems Interconnection — Basic Reference Model Naming and addressing.pdf
ISO IEC 7816-7 1999 Identification cards — Integrated circuit(s) cards with contacts — Part 7 Interindustry commands for Structured Card Query Language (SCQL).pdf
ISO IEC 7942-2 1997 Information technology — Computer graphics and image processing — Graphical Kernel System (GKS) — Part 2 NDC metafile.pdf
ISO IEC 7942-3 1999 Information technology — Computer graphics and image processing — Graphical Kernel System (GKS) — Part 3 Audit trail.pdf
ISO IEC 7942-4 1998 Information technology — Computer graphics and image processing — Graphical Kernel System (GKS) — Part 4 Picture part archive.pdf
ISO IEC 8072 1996 Information technology — Open systems interconnection — Transport servic.pdf
ISO IEC 8327-2 1996 Information technology — Open Systems Interconnection — Con.pdf
ISO IEC 8473-2 1996 Information technology — Protocol for providing the connectionless-mode network service — Part 2 Provision of the underlying service by an ISO IEC 8802 subnetwork.pdf
ISO IEC 8473-5 1997 Information technology — Protocol for providing the.pdf
ISO IEC 8481 1996 Information technology — Telecommunications and information exchange between systems — DTE to DTE direct connections.pdf
ISO IEC 8632-3 1999 Information technology — Computer graphics — Metafile for the storage and transfer of picture description information — Part 3 Binary encoding.pdf
ISO IEC 8632-4 1999 Information technology — Computer graphics — Metafile for the storage and transfer of picture description information — Part 4 Clear text encoding.pdf
ISO IEC 8650-2 1997 Information technology — Open Systems Interconnection — Protocol specification for the Association Control Service Element Protocol Implementation Conformance Statement (PICS) proforma.pdf
ISO IEC 8802-2 1998 Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirements — Part 2 Logical link control.pdf
ISO IEC 8823-2 1997 Information technology — Open Systems Interconnection — Connection-oriented presentation protocol Protocol Implementation Conformance Statement (PICS) proforma.pdf
ISO IEC 8859-1 1998 Information technology — 8-bit single-byte coded graphic character sets — Part 1 Latin alphabet No. 1.pdf
ISO IEC 8859-10 1998 Information technology — 8-bit single-byte coded graphic character sets — Part 10 Latin alphabet No. 6.pdf
ISO IEC 8859-13 1998 Information technology — 8-bit single-byte coded graphic character sets — Part 13 Latin alphabet No. 7.pdf
ISO IEC 8859-14 1998 Information technology — 8-bit single-byte coded graphic char.pdf
ISO IEC 8859-15 1999 Information technology — 8-bit single-byte coded graphic character sets — Part 15 Latin alphabet No. 9.pdf
ISO IEC 8859-2 1999 Information technology — 8-bit single-byte coded graphic character sets — Part 2 Latin alphabet No. 2.pdf