GB/T 30425-2025 Chinese PDF (GB /T30425-2025) GB/T 21536-2024 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)

GB/T 41780

1-2025_Chinese: Information technology - Chinese coded character set - 48 dot matrix font of Chinese ideogram - Part 1: Song ti (Chinese: 信息技术 中文编码字符集 汉字48点阵字型 第1部分：宋体)

English versions: GB/T 38205

English versions: GB/T 12690

GB/T 30425-2025 Chinese PDF (GB /T30425-2025) GB/T 21536-2024 3-2025_Chinese: Design specification for mechanicalGB T 30425 2025_Chinese: Water cooling equipment for converter valves for high voltage direct current(HVDC) ower transmission (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30425 2025