Home / Standards / GB/T 31394-2015 GB/T 31394-2015 Active CNC three dimensions drilling machine 数控三维钻床 Standard Type GBT ICS 25.080.40 CCS J54 Status 现行 Issue Date 2015-05-15 Implementation 2015-09-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A