GB/T 17215.241-2025 Chinese PDF (GB /T17215.241-2025) GB/T 15969.2-2024 English versions: GB/T 18822

English versions: GB/T 18822

English versions: GB 45669

GB/T 18916

GB/T 21121-2024_Chinese: Animal and vegetable fats and oils - Determination of oxidative stability(accelerated oxidation test) (Chinese: 动植物油脂 氧化稳定性的测定（加速氧化测试）)

1-2025_Chinese: Nickel base brazing filler metals - Part 1: Solid brazing filler metals (Chinese: 镍基钎料 第1部分：实心钎料)

GB/T 17215.241-2025 Chinese PDF (GB /T17215.241-2025) GB/T 15969.2-2024 English versions: GB/T 18822GB T 17215. 241 2025_Chinese: Electricity metering equipment General requirements, tests and test conditions Part 41: Energy registration methods and requirements for multi energy and multi rate meters (Chinese: 41) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17215. 241 2025