GB/T 6150.20-2025 Chinese PDF (GB /T6150.20-2025) GB/T 21099.3-2024 English versions: GB/T 45304-2025

English versions: GB/T 45304-2025

3-2024_Chinese: Mechanical vibration and shock - Characterization of the dynamic mechanical properties of visco-elastic materials - Part 3:CAntilever shear beam method (Chinese: 机械振动与冲击 黏弹性材料动态力学性能的表征 第3部分：悬臂剪切梁法)

GB/T 43590

English versions: GB/T 45231-2025

2-2025_Chinese: Information technology - Building information model(BIM) software - Part 2: Parameterized model (Chinese: 信息技术 建筑信息模型（BIM）软件 第2部分：参数化模型)

GB/T 6150.20-2025 Chinese PDF (GB /T6150.20-2025) GB/T 21099.3-2024 English versions: GB/T 45304-2025GB T 6150. 20 2025_Chinese: Methods for chemical analysis of tungsten concentrates Part 20: Determination of mercury content Solid sampling and direct mercury analysis method (Chinese: 20 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 6150. 20 2025