GB/T 21413.5-2023 Chinese PDF (GB/T21413.5-2023) GB 24544-2023 GB/T 44914-2024_Chinese: Hetianyu grading (Chinese:

GB/T 44914-2024_Chinese: Hetianyu grading (Chinese: 和田玉分级)

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 18585-2023_Chinese: Indoor decorating and refurbishing materials - Limit of harmful substances of wallpapers (Chinese: 室内装饰装修材料 壁纸中有害物质限量)

GB/T 16716

GB/T 44886

GB/T 21413.5-2023 Chinese PDF (GB/T21413.5-2023) GB 24544-2023 GB/T 44914-2024_Chinese: Hetianyu grading (Chinese:GB 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