GB/Z 24638-2009
AbolishedGeometrical product specifications (GPS) - Linear and angular dimensioning and tolerancing: +/- limit specifications - Step dimensions, distances, angular sizes and radii
产品几何技术规范(GPS) 线性和角度尺寸与公差标注+/-极限规范 台阶尺寸、距离、角度尺寸和半径
产品几何技术规范(GPS) 线性和角度尺寸与公差标注+/-极限规范 台阶尺寸、距离、角度尺寸和半径