GB-T 19512-2004 声学 消声器现场测量
ISO 7393-1-1985Water quality. Determination of free chlorine and total chlorine. Part 1_Titrimetric.pdf
ISO 3356 2009 Milk — Determination of alkaline phosphatase.pdf
ISO 28802 2012 Ergonomics of the physical environment — Assessment of environments by means of an environmental survey involving physical measurements of the environment and subjective responses of people.pdf
ISO 1833-17 2019 Textiles — Quantitative chemical analysis — Part 17 Mixtures of cellulose fibres and certain fibres with chlorofibres and certain other fibres (method using concentrated sulfuric acid).pdf
ISO 16840-3 2022 Wheelchair seating Part 3 Determination of static impact and repetitive load strengths for postural support devices.pdf
ISO 16809 2017 Non-destructive testing — Ultrasonic thickness measurement.pdf
ISO 22565 2019 Road vehicles — Durability test method of starter relay for stop and start system.pdf
ISO 239 1999 Drill chuck tapers.pdf
ISO 18215 2015 Ships and marine technology — Vessel machinery operations in polar waters — Guidelines.pdf
ISO 8124-10 2023 Safety of toys — Part 10 Experimental sets for chemistry and related activities.pdf
GB-T 7130-2016 塑料 酚醛模塑制品 游离酚的测定 碘量法.pdf
GB-T 4880.1-2005 语种名称代码 第1部分 2字母代码.pdf
GB-T 30171-2013 地理信息 专用标准.pdf
GB-T 5173-2018 表面活性剂 洗涤剂 阴离子活性物含量的测定 直接两相滴定法.pdf
GB-T 14776-1993 人类工效学 工作岗位尺寸 设计原则及其数值.pdf
GB-T 35125-2017 天文望远镜试验方法.pdf
GB-T 42674-2023 光学功能薄膜 微结构厚度测试方法.pdf
GB-T 3098.21-2014 紧固件机械性能 不锈钢自攻螺钉.pdf
GB-T 12057-1989 使用串行二进制数据交换的数据终端设备和数据电路终接设备之间的通用37插针和9 插针接口.pdf
GB-T 12587-2003 橡胶或塑料涂覆织物 抗压裂性的测定.pdf