Home / Standards / GB/T 15049.4-1996 GB/T 15049.4-1996 Abolished CAD standard parts file--Specification of geometry and parameters--Pins CAD 标准件图形文件 几何图形和特性规范 销 Standard Type GBT ICS 35.240.50 CCS J07 Status 废止 Issue Date 1996-10-23 Implementation 1997-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A