GB/T 1800.2-2020 产品几何技术规范(GPS)线性尺寸公差ISO代号体系第2部分:标准公差带代号和孔、轴的极限偏差表
GB/T 1800.2-2020.Geometrical product specifications(GPS)-ISO code system for tol...
国家标准2023.07.29
GB/T 1800.2-2020.Geometrical product specifications(GPS)-ISO code system for tol...
国家标准2023.07.29
GB/T 25067-2020.Information technology-Security techniques-Requirements for bodi...
国家标准2023.07.29
GB/T 1094.15-2020.Power transformers-Part 15: Gas-filled power transformers.1范围G...
国家标准2023.07.29
GB/T 13319-2020.Geometrical product specifications (GPS)-Geometrical tolerancing...
国家标准2023.07.29
GB/T 4334-2020.Corrosion of metals and alloys-Test methods for intergranular cor...
国家标准2023.07.29
GB/T 38758-2020.Pneumatic fluid power- Rules of non-ferrous metallic cylinder bo...
国家标准2023.07.29
GB/T 3103.3-2020.Tolerances for fasteners- Plain washers.1范围GB/T 3103的本部分规定了公称直径...
国家标准2023.07.29
GB/T 13908-2020.General requirements for mineral exploration.1范围GB/T 13908规定了固体矿...
国家标准2023.07.29
GB/T 11357-2020.Quality,roughness and balance of transmission pulleys.1范围GB/T 11...
国家标准2023.07.29
GB/T 31396.3-2020.Machine tools-Dimensions and geometric tests for self-centring...
国家标准2023.07.29