Home / Standards / GB/T 14665-2012 GB/T 14665-2012 Active Mechanical engineering drawings rules of CAD 机械工程 CAD制图规则 Standard Type GBT ICS 01.100.20 CCS J04 Status 现行 Issue Date 2012-05-11 Implementation 2012-12-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委