Home / Standards / GB/T 17304-2009 GB/T 17304-2009 Active Specification for CAD general technology CAD通用技术规范 Standard Type GBT ICS 35.240.50 CCS L67 Status 现行 Issue Date 2009-05-06 Implementation 2009-11-01 Responsible Dept 市场监管总局 Drafting Unit 市场监管总局