Home / Standards / GBT 40742.5-2021 GBT 40742.5-2021 Geometrical product specifications — Inspection and verification of geometrical accuracy — Part 5: Geometrical features 产品几何技术规范 几何精度的检测与验证 第5部分几何特征 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A