Home / Standards / GBT 24637.3-2020 GBT 24637.3-2020 Geometrical product specifications — General concepts — Part 3: Toleranced features 产品几何技术规范 通用概念 第3部分:被测要素 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