Home / Standards / GB/T 37912-2019 GB/T 37912-2019 Active CNC punching and shearing composite machines 数控冲剪复合机 Standard Type GBT ICS 25.120.10 CCS J62 Status 现行 Issue Date 2019-08-30 Implementation 2020-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A