GB/T 4074.2-2024 English PDF (GB/T4074.2-2024) GB/T 45243-2025 GB/T 23500-2025_Chinese: General quality for

GB/T 23500-2025_Chinese: General quality for yuanxiao (Chinese: 元宵质量通则)

GB 20052-2024_Chinese: Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers (Chinese: 电力变压器能效限定值及能效等级)

GB/T 18282

English versions: GB/T 30662-2024

English versions: GB/T 45624-2025

GB/T 4074.2-2024 English PDF (GB/T4074.2-2024) GB/T 45243-2025 GB/T 23500-2025_Chinese: General quality forGB T 4074. 2 2024_Chinese: Test methods of winding wires Part 2: Determination of dimensions (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4074. 2 2024