GB/T 21667-2024 Chinese PDF (GB /T21667-2024) GB/T 18281.2-2024 3-2025_Chinese: Design specification for mechanical

3-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 3: Class 2 components (Chinese: 压水堆核电厂核岛机械设备设计规范 第3部分：2级设备)

English versions: GB/T 20882

English versions: GB/T 19980-2025

GB/T 14404-2024_Chinese: Plate shear - Testing of the accuracy (Chinese: 剪板机 精度)

GB/T 21667-2024 Chinese PDF (GB /T21667-2024) GB/T 18281.2-2024 3-2025_Chinese: Design specification for mechanicalGB T 21667 2024_Chinese: General rules of the second hand goods qualification (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21667 2024