GB/T 37977.46-2024 Chinese PDF (GB/T37977.46-2024) GB 28263-2024 GB/T 45344-2025_Chinese: General technical requirements

GB/T 45344-2025_Chinese: General technical requirements for fabricated and prefabricated gas piping used in buildings (Chinese: 建筑用装配式预制燃气管道通用技术条件)

English versions: GB/T 22250-2025

GB/T 36548-2024_Chinese: Test code for electrochemical energy storage station connected to power grid (Chinese: 电化学储能电站接入电网测试规程)

7-2024_Chinese: Semiconductor devices - Part 5-7: Optoelectronic devices - Photodiodes and phototransistors (Chinese: 半导体器件 第5-7部分：光电子器件 光电二极管和光电晶体管)

GB/T 37977.46-2024 Chinese PDF (GB/T37977.46-2024) GB 28263-2024 GB/T 45344-2025_Chinese: General technical requirementsGB T 37977. 46 2024_Chinese: Electrostatics Part 4 6: Standard test methods for specific applications Wrist straps (Chinese: 4 6 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 37977. 46 2024