Home / Standards / GB/T 28763-2012 GB/T 28763-2012 Active Numerically controlled tube bending machine 数控弯管机 Standard Type GBT ICS 25.120.10 CCS J62 Status 现行 Issue Date 2012-11-05 Implementation 2013-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A