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English versions: GB/T 44999-2024
GB/T 11828
18-2024_Chinese: Safety requirements for electrical equipment for measurement
GB/T 19973
13-2025_Chinese: Electronic railway equipment - Train communication network (TCN) - Part 4-1: The test method of train communication network based on Wire Train Bus(WTB) (Chinese: 轨道交通电子设备 列车通信网络（TCN) 第4-1部分：基于绞线式列车总线（WTB）的列车通信网络试验方法)
GB/T 4447-2025 Chinese PDF (GB /T4447-2025) GB/T 20604-2025 English versions: GB/T 44999-2024GB T 4447 2025_Chinese: Ships and marine technology Sea going vessels Windlasses and anchor capstans (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4447 2025
US$ 63.50
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US$ 109.00
US$ 14.00
