GB/T 22581-2024 Chinese PDF (GB/T22581-2024) GB/T 21478-2024 GB/T 1677-2023_Chinese: Determining the epoxy

GB/T 1677-2023_Chinese: Determining the epoxy value of plasticizers (Chinese: 增塑剂环氧值的测定)

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)

English versions: GB/T 45529-2025

GB/T 12428-2023_Chinese: Laden mass calculating method for bus (Chinese: 客车装载质量计算方法)

GB 20943-2025_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for AC-DC and AC-AC power supplies (Chinese: 交流-直流和交流-交流电源能效限定值及能效等级)

GB/T 22581-2024 Chinese PDF (GB/T22581-2024) GB/T 21478-2024 GB/T 1677-2023_Chinese: Determining the epoxyGB 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