Home / Standards / GB/T 14660-1993 GB/T 14660-1993 Abolished NC jig boring machine--Testing of the accuracy 数控坐标镗床 精度 Standard Type GBT ICS 25.040.20 CCS J54 Status 废止 Issue Date 1993-10-15 Implementation 1994-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A