Home / Standards / GB/T 39790-2021 GB/T 39790-2021 Active Specification for data processing software and interface of CNC turret punch press 数控回转头压力机数据处理软件及接口要求 Standard Type GBT ICS 25.120.10 CCS J62 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A