Home / Standards / GB/T 31396.3-2020 GB/T 31396.3-2020 Active Machine tools—Dimensions and geometric tests for self-centring chucks with two-piece jaws—Part 3:Power-operated chucks with serrated jaws 机床 分离爪自定心卡盘尺寸和几何精度检验 第3部分:梳齿配合型动力卡盘 Standard Type GBT ICS 25.060.20 CCS J52 Status 现行 Issue Date 2020-04-28 Implementation 2020-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A