GB/T 2624.5-2024 Chinese PDF (GB /T2624.5-2024) GB/T 21551.4-2024 GB/T 17670-2025_Chinese: Unified coding for

GB/T 17670-2025_Chinese: Unified coding for natural stone (Chinese: 天然石材统一编号)

GB/T 25982-2024_Chinese: Limits and measurement methods for bus interior noise (Chinese: 客车车内噪声限值及测量方法)

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 24851-2024_Chinese: Specification for equipping and managing of measuring instrument of energy in building material industry (Chinese: 建筑材料行业能源计量器具配备和管理要求)

English versions: GB/T 17591-2025

GB/T 2624.5-2024 Chinese PDF (GB /T2624.5-2024) GB/T 21551.4-2024 GB/T 17670-2025_Chinese: Unified coding forGB 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