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GB/T 12690
English versions: GB/T 12643-2025
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 45449-2025
4-2024_Chinese: Optics and photonics - Microlens arrays - Part 4: Test methods for geometrical properties (Chinese: 光学和光子学 微透镜阵列 第4部分：几何特性测试方法)
GB/T 14885-2022 Chinese PDF (GB/T14885-2022) GB/T 28185-2025 GB/T 12690GB T 14885 2022_Chinese: Basic classification and codes of fixed assets and other assets (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 14885 2022
US$ 18.95
US$ 29.95
US$ 18.95
