Home / Standards / GBT 40742.3-2021 GBT 40742.3-2021 Geometrical Product Specifications — Verification and Validation of Geometrical Accuracy — Part 3: Functional Gauges 产品几何技术规范 几何精度的检测与验证 第3部分：功能量 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