Home / Standards / GB/T 39561.4-2020 GB/T 39561.4-2020 Active Interconnection and interoperation of numerical control equipment—Part 4: Object dictionary of numerical control machine tools 数控装备互联互通及互操作 第4部分:数控机床对象字典 Standard Type GBT ICS 29.020 CCS J07 Status 现行 Issue Date 2020-12-14 Implementation 2021-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A