GB-T 43101-2023 金属及其他无机覆盖层 关于孔隙率的定义和一般规则
ISO 9390 1990 Water quality — Determination of borate — Spectrometric method using azomethine-H.pdf
ISO 3675 1998 Crude petroleum and liquid petroleum products — Laboratory determination of density — Hydrometer method.pdf
ISO 7195 2020 Nuclear energy — Packagings for the transport of uranium hexafluoride (UF6.pdf
ISO 10791-9 2001 Test conditions for machining centres — Part 9 Evaluation of the operating times of tool change and pallet change.pdf
ISO 1444 1996 Meat and meat products — Determination of free fat content.pdf
ISO 18947-1 2021 Imaging materials and prints — Abrasion resistance — Part 1 General rub testing methods.pdf
ISO 14949 2001 Implants for surgery — Two-part addition-cure silicone elastomers.pdf
ISO 19136-2 2015 Geographic information — Geography Markup Language (GML) — Part 2 Extended schemas and encoding rules.pdf
ISO 7061 2015 Ships and marine technology — Aluminium shore gangways for seagoing ves.pdf
ISO 2534 2020 Road vehicles — Engine test code — Gross power.pdf
GB-Z 21235-2007 微生物危险性评估的原理和指南.pdf
GB-T 24644-2009 农林拖拉机落物防护装置 试验方法和性能要求.pdf
GB-T 13807.1-2008 腰状杆螺柱连接副 型式分类.pdf
GB-T 23802-2015 石油天然气工业 套管、油管和接箍毛坯用耐腐蚀合金无缝管交货技术条件.pdf
GB-T 12999-1991 水质采样 样品的保存和管理技术规定.pdf
GB-T 18905.6-2002 软件工程 产品评价 第6部分 评价模块的文档编制.pdf
GB-T 43101-2023 金属及其他无机覆盖层 关于孔隙率的定义和一般规则.pdf
GB-T 26239-2010 软件工程 开发方法元模型.pdf
GB-Z 35140-2017 用差压装置测量流体流量 GB-T 2624范围之外的孔板、喷嘴和文丘里管的使用指南.pdf
GB-T 8746-2009 纺织品 燃烧性能 垂直方向试样易点燃性的测定.pdf