GB 39800.8-2024 Chinese PDF GB 19081-2025 English versions: GB 17167-2025

English versions: GB 17167-2025

2-2024_Chinese: Grades of cemented carbide - Part 2: Grades of cemented carbide for rock drilling and engineering (Chinese: 硬质合金牌号 第2部分：凿岩及工程用硬质合金牌号)

GB/T 18376

4-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 4: Class 3 components (Chinese: 压水堆核电厂核岛机械设备设计规范 第4部分：3级设备)

33-2024_Chinese: Specifications for optical fibre test methods - Part 33: Measurement methods and test procedures for mechanical characteristics - Stress corrosion susceptibility (Chinese: 光纤试验方法规范 第33部分：机械性能的测量方法和试验程序 应力腐蚀敏感性参数)

GB 39800.8-2024 Chinese PDF GB 19081-2025 English versions: GB 17167-2025GB 39800. 8 2024_Chinese: Specifications for the provision of personal protective equipment Part 8: Shipbuilding industry (Chinese: 8) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 39800. 8 2024