GB/T 30958-2023 Chinese PDF (GB/T30958-2023) GB/T 24931-2025 4-2025_Chinese: Test methods of rare

4-2025_Chinese: Test methods of rare earth phosphors for LED - Part 4: Determination of high temperature and high humidity property (Chinese: LED用稀土荧光粉试验方法 第4部分：高温高湿性能的测定)

English versions: GB/T 23417-2024

English versions: GB 30254-2024

4-2023_Chinese: Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers (Chinese: 轨道交通 机车车辆电气设备 第4部分：电工器件 交流断路器规则)

GB 44172-2024_Chinese: Safety management requirements for hot work in shipyard (Chinese: 船舶制造明火作业安全管理要求)

GB/T 30958-2023 Chinese PDF (GB/T30958-2023) GB/T 24931-2025 4-2025_Chinese: Test methods of rareGB T 30958 2023_Chinese: Livestock and poultry slaughtering and processing equipment Technical conditions for complete sets of pig slaughtering equipment (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30958 2023