GB/T 6147-2025 Chinese PDF (GB /T6147-2025) GB/T 21099.3-2024 GB/T 22246-2025_Chinese: Determination of pantothenic

GB/T 22246-2025_Chinese: Determination of pantothenic acid in health foods (Chinese: 保健食品中泛酸的测定)

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)

GB/T 45350-2025_Chinese: Laboratory animal - Single nucleotide polymorphisms marker methods for inbred mice and rats (Chinese: 实验动物 近交系小鼠、大鼠SNP标记检测法)

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)

English versions: GB/T 12690

GB/T 6147-2025 Chinese PDF (GB /T6147-2025) GB/T 21099.3-2024 GB/T 22246-2025_Chinese: Determination of pantothenicGB 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