GB/T 18910.2-2024 Chinese PDF (GB/T18910.2-2024) GB/T 45604-2025 masses and tolerances of steel

masses and tolerances of steel tubes (Chinese: 钢管尺寸、外形、重量及允许偏差)

GB/T 45335-2025_Chinese: Determination of the content of attapulgite phase - X-ray diffraction standard curve method (Chinese: 凹凸棒石相含量的测定 X射线衍射-标准曲线法)

2-2024_Chinese: Public information guidance systems - Setting principles and requirements - Part 2: Airport (Chinese: 公共信息导向系统 设置原则与要求 第2部分：民用机场)

English versions: GB/T 9869

29-2024_Chinese: Geometrical product specifications(GPS) - Filtration - Part 29: Linear profile filters - Wavelets (Chinese: 产品几何技术规范（GPS） 滤波 第29部分：线性轮廓滤波器 小波)

GB/T 18910.2-2024 Chinese PDF (GB/T18910.2-2024) GB/T 45604-2025 masses and tolerances of steelGB T 18910. 2 2024_Chinese: Liquid crystal display devices Part 2: Liquid crystal display modules Sectional specification (Chinese: 2 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18910. 2 2024