GB/T 19520.21-2023 Chinese PDF (GB/T19520.21-2023) GB/T 24055.1-2024 33-2024_Chinese: Specifications for optical fibre

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)

8-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 8: Low pressure or atmospheric storage tanks (Chinese: 压水堆核电厂核岛机械设备设计规范 第8部分：低压或常压储罐)

English versions: GB/T 17822

GB/T 4167-2024_Chinese: Weights (Chinese: 砝码)

GB/T 19520.21-2023 Chinese PDF (GB/T19520.21-2023) GB/T 24055.1-2024 33-2024_Chinese: Specifications for optical fibreGB T 19520. 21 2023_Chinese: Mechanical structures for electrical and electronic equipment Dimensions of mechanical structures of the 482. 6 mm (19 in) series Part 3 109: Dimensions of chassis for embedded computing devices (Chinese: 482. 6 mm(19 in) 3 109) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19520. 21 2023