GB-T 38181-2019 土方机械 快速连接装置 安全
ISO 3386-1-1986Polymeric materials,cellular flexible. Determination of stress-strain characteristic.pdf
ISO 11215 1998 Modified starch — Determination of adipic acid content of acetylated di-starch adipates — Gas chromatographic method.pdf
ISO 11117 2019 Gas cylinders — Valve protection caps and guards — Design, construction an.pdf
ISO 8056-1-1985Aircraft. Nickel-chromium and nickel-aluminium thermocouple extension cables. Part 1_.pdf
ISO 925 2019 Solid mineral fuels — Determination of carbonate carbon content — Gravimetric method.pdf
ISO 19900 2019 Petroleum and natural gas industries — General requirements for offshore structures.pdf
ISO 13995 2000 Protective clothing — Mechanical properties — Test method for the d.pdf
ISO 2284 2017 Hand taps for parallel and taper pipe threads — General dimensions and marking.pdf
ISO 12718 2019 Non-destructive testing — Eddy current testing — Vocabulary.pdf
ISO 10060 1993 Dense, shaped refractory products — Test methods for products containing.pdf
GB-T 2013-2010 液体石油化工产品密度测定法.pdf
GB-T 5779.1-2000 紧固件表面缺陷 螺栓、螺钉和螺柱 一般要求.pdf
GB-T 5277-1985 紧固件 螺栓和螺钉通孔.pdf
GB-T 19831.1-2005 石油天然气工业 套管扶正器 第1部分 弓形弹簧套管扶正器.pdf
GB-T 23894-2009 滑动轴承 铜合金镶嵌固体润滑轴承.pdf
GB-T 17965-2000 信息技术 开放系统互连 高层安全模型.pdf
GB-Z 2640-2021 模制注射剂瓶.pdf
GB-T 38022-2019 钟表 防震手表.pdf
GB-T 35148-2017 石油天然气工业 井下工具 完井工具附件.pdf
GB-T 19548-2004 纺织机械与附件 织机 左右侧定义.pdf