SY-T 6154-2019 岩石比表面积和孔径分布测定 静态吸附容量法
ISO 9220 2022 Metallic coatings Measurement of coating thickness Scanning electron microscope method.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 17905 2015 Ships and marine technology — Installation, inspection and maintenance of container securing devices for ships.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 16084 2017 Balancing of rotating tools and tool systems.pdf
ISO 22055 2019 Switch and crossing rails.pdf
ISO 13184-3 2017 Intelligent transport systems (ITS) — Guidance protocol via personal ITS station for advisory safety systems — Part 3 Road guidance protocol (RGP) conformance test specification.pdf
ISO 26203-1 2018 Metallic materials — Tensile testing at high strain rates — Part 1 Elastic-bar-type systems.pdf
ISO 8229-1991Operations and baths relating to dry-cleaning machines. Vocabulary first edition.pdf
ISO IEC 17025 2017 General requirements for the competence of testing and calibration laboratories.pdf
GB-T 223.5-2008 钢铁 酸溶硅和全硅含量的测定 还原型硅钼酸盐分光光度法.pdf
GB-T 21562-2008 轨道交通 可靠性、可用性、可维修性和安全性规范及示例.pdf
GB-T 22036-2017 轮胎惯性滑行通过噪声测试方法.pdf
GB-T 39154-2020 金属和合金的腐蚀 混凝土用钢筋的阴极保护.pdf
GB-T 5779.2-2000 紧固件表面缺陷 螺母.pdf
GB-T 18659-2023 封闭管道中流体流量的测量 电磁流量计使用指南.pdf
GB-T 18310.4-2001 纤维光学互连器件和无源器件 基本试验和测量程序 第2-4部分 试验 光纤-光缆保持力.pdf
GB-T 26316-2010 市场、民意和社会调查 服务要求.pdf
GB-T 20023-2005 无气喷涂用橡胶和-或塑料软管及软管组合件.pdf
GB-T 2900.57-2008 电工术语 发电、输电及配电 运行.pdf