GB/T 19510.209-2023 Chinese PDF (GB/T19510.209-2023) GB 44023-2024 English versions: GB/T 30134-2025

English versions: GB/T 30134-2025

GB/T 45306-2025_Chinese: Railway applications - Power supply with onboard energy storage system for rolling stock - Series hybrid system (Chinese: 轨道交通 机车车辆车载储能供电 串联混合动力系统)

English versions: GB/T 45513-2025

GB 30254-2024_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for cage three-phase high voltage induction motor (Chinese: 高压三相笼型异步电动机能效限定值及能效等级)

GB/T 19510.209-2023 Chinese PDF (GB/T19510.209-2023) GB 44023-2024 English versions: GB/T 30134-2025GB T 19510. 209 2023_Chinese: Controlgear for electric light sources Part 2 9: Particular requirements for electromagnetic controlgear for discharge lamps(excluding fluorescent lamps) (Chinese: 2 9) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19510. 209 2023