GB-T 23561.1-2024 煤和岩石物理力学性质测定方法 第1部分 采样一般规定
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ISO 2975-3 1976 Measurement of water flow in closed conduits Tracer methods Part 3 Constant rate injection method using radioactive tracers.pdf
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ISO 22777 2004 Footwear Test methods for accessories Touch and close fasteners Peel strength before and after repeated closing.pdf
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ISO 6743-2-1981Lubricants,industrial oils and related products (class l). Classification. Part 2_Fam.pdf
ISO 18276 2024 Welding consumables Tubular cored electrodes for gas-shielded and non-gas-shielded metal arc welding of high strength steels Classification.pdf
ISO-TR 22845 2020 Resilience of buildings and civil engineering works.pdf
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GB-T 17908-1999 起重机和起重机械 技术性能和验收文件.pdf
GB-T 26178-2010 光通量的测量方法.pdf
GB-T 12773-2021 内燃机气阀用钢及合金棒材.pdf
GB-T 13465.5-2009 不透性石墨酚醛粘接剂收缩率试验方法.pdf
GB-T 21685-2008 木工机床 多轴钻床 术语.pdf
GB-T 9316-2007 摄影用电子闪光装置安全要求.pdf
GB-T 20455-2023 集运机 术语、定义和规格.pdf
GB-T 6536-2010 石油产品常压蒸馏特性测定法.pdf
GB-T 6538-2010 发动机油表观黏度的测定 冷启动模拟机法.pdf