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English versions: GB/T 32000-2024
GB/T 19405
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)
English versions: GB/T 17591-2025
English versions: GB/T 11067
GB/T 2624.5-2024 Chinese PDF (GB /T2624.5-2024) GB/T 21551.4-2024 English versions: GB/T 32000-2024GB T 2624. 5 2024_Chinese: Measurement of fluid flow by means of pressure differential devices inserted in circular cross section conduits running full Part 5: Cone devices (Chinese: 5) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 2624. 5 2024
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