Home / Standards / GBT 38760-2020 GBT 38760-2020 Geometrical product specifications — Elements used in specification and verification 产品几何技术规范 规范和检验中使用的要素 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