GB/T 20914.5-2023 Chinese PDF (GB/T20914.5-2023) GB/T 19701.5-2024 English versions: GB/T 12604

English versions: GB/T 12604

English versions: GB 28881-2023

2-2024_Chinese: Safety requirements for electrical equipment for measurement

GB/T 45376-2025_Chinese: Electroforming process specification of nickel and copper (Chinese: 镍和铜电铸工艺规范)

GB/T 45402-2025_Chinese: Smart city - City intelligent center - Reference architecture (Chinese: 智慧城市 城市智能中枢 参考架构)

GB/T 20914.5-2023 Chinese PDF (GB/T20914.5-2023) GB/T 19701.5-2024 English versions: GB/T 12604GB T 20914. 5 2023_Chinese: Tools for pressing Gas springs Part 5: Safety instructions for gas springs (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 20914. 5 2023