Home / Standards / GB/T 17304 GB/T 17304 Abolished Specification for CAD general technology CAD通用技术规范 Standard Type GBT ICS 35.240.50 CCS L67 Status 废止 Issue Date 1998-04-06 Implementation 1998-12-01 Responsible Dept 市场监管总局 Drafting Unit 市场监管总局