GB/T 22581-2024 Chinese PDF (GB/T22581-2024) GB/T 21478-2024 English versions: GB/T 45389-2025

English versions: GB/T 45389-2025

English versions: GB/T 10250-2025

4-2025_Chinese: Electric vehicle conductive charging and discharging system - Part 4: Discharging requirements for electric vehicle (Chinese: 电动汽车传导充放电系统 第4部分：车辆对外放电要求)

GB/T 32825-2024_Chinese: Technical parameters and requirements for three-phase dry-type tridimensional wound core power transformers (Chinese: 三相干式立体卷铁芯电力变压器技术参数和要求)

3-2023_Chinese: Railway applications - Electric equipment for rolling stock - Part 3: Electrotechnical components - Rules for DC circuit-breakers (Chinese: 轨道交通 机车车辆电气设备 第3部分：电工器件 直流断路器规则)

GB/T 22581-2024 Chinese PDF (GB/T22581-2024) GB/T 21478-2024 English versions: GB/T 45389-2025GB T 22581 2024_Chinese: Fundamental technical requirements for Francis pump turbines (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22581 2024