GB/T 21413.5-2023 Chinese PDF (GB/T21413.5-2023) GB 24544-2023 English versions: GB/T 25982-2024

English versions: GB/T 25982-2024

352-2022_Chinese: Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs) (Chinese: 低压电涌保护器元件 第352部分：电信和信号网络的电涌隔离变压器(SIT)的选择和使用导则)

GB/T 44886

5-2024_Chinese: Safety requirements for electrical equipment for measurement

GB/T 21413.5-2023 Chinese PDF (GB/T21413.5-2023) GB 24544-2023 English versions: GB/T 25982-2024GB T 21413. 5 2023_Chinese: Railway applications Electric equipment for rolling stock Part 5: Electrotechnical components Rules for HV fuses (Chinese: 5 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21413. 5 2023