Home / Standards / GB/T 39967-2021 GB/T 39967-2021 Active 5-axis simultaneous machining center—Accuracy of S-shaped test piece 五轴联动加工中心 S形试件精度检验 Standard Type GBT ICS 25.040.10 CCS J50 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