GB/T 6147-2025 Chinese PDF (GB /T6147-2025) GB/T 21099.3-2024 1-2025_Chinese: Cards and security devices

1-2025_Chinese: Cards and security devices for personal identification - Test methods - Part 1: General characteristics (Chinese: 卡及身份识别安全设备 测试方法 第1部分：一般特性)

GB/T 30425-2025_Chinese: Water cooling equipment for converter valves for high voltage direct current(HVDC) ower transmission (Chinese: 高压直流输电换流阀水冷却设备)

English versions: GB/T 45096-2024

5-2025_Chinese: Interconnection and interoperation for textile equipment - Part 5: Nonwovens (Chinese: 纺织装备互联互通与互操作 第5部分：非织造)

English versions: GB/T 22369-2024

GB/T 6147-2025 Chinese PDF (GB /T6147-2025) GB/T 21099.3-2024 1-2025_Chinese: Cards and security devicesGB T 6147 2025_Chinese: Test method for thermoelectric power of precision resistance alloys (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 6147 2025