Home / Standards / GB/T 39128-2020 GB/T 39128-2020 Active Numerical control system of machine tool—Human-machine interface 机床数控系统 人机界面 Standard Type GBT ICS 25.040.20 CCS J50 Status 现行 Issue Date 2020-10-11 Implementation 2021-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A