Home / Standards / GB/T 39334.4-2020 GB/T 39334.4-2020 Active Digital simulation of mechanical products manufacturing process—Part 4: Requirements of NC machining process simulation 机械产品制造过程数字化仿真 第4部分:数控加工过程仿真要求 Standard Type GBT ICS 01.100.01 CCS J04 Status 现行 Issue Date 2020-11-19 Implementation 2021-03-01 Responsible Dept 国家标准委 Drafting Unit N/A