GB/T 42124.3-2025
ActiveGeometrical product specifications(GPS)—Dimensional and geometrical tolerances for moulded parts—Part 3: General dimensional and geometrical tolerances and machining allowances for castings
产品几何技术规范(GPS) 模制件的尺寸和几何公差 第3部分:铸件尺寸公差、几何公差与机械加工余量