GB/T 16981-2025 Chinese PDF (GB /T16981-2025) GB 31648-2025 GB/T 12385-2025_Chinese: Standard test methods

GB/T 12385-2025_Chinese: Standard test methods for sealability of gaskets for pipe flanges (Chinese: 管法兰用垫片密封性能试验方法)

2-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 2: Class 1 components (Chinese: 压水堆核电厂核岛机械设备设计规范 第2部分：1级设备)

tests and test conditions - Part 41: Energy registration methods and requirements for multi-energy and multi-rate meters (Chinese: 电测量设备 通用要求、试验和试验条件 第41部分：多电能和多费率仪表的电能计度方法和要求)

GB 15605-2024_Chinese: Specifications for pressure venting of dust explosion (Chinese: 粉尘爆炸泄压规范)

GB/T 16981-2025 Chinese PDF (GB /T16981-2025) GB 31648-2025 GB/T 12385-2025_Chinese: Standard test methodsGB T 16981 2025_Chinese: Information technology Office equipment Copying machines and multi function devices Information to be included in specification sheets and related test methods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 16981 2025