Home / Standards / GB/T 20957.5-2007 GB/T 20957.5-2007 Active Test conditions of precision machining centres - Part 5: Tests for accuracy and repeatability of positioning of work-holding pallets 精密加工中心检验条件 第5部分:工件夹持托板的定位精度和重复定位精度检验 Standard Type GBT ICS 25.080.40 CCS J54 Status 现行 Issue Date 2007-06-25 Implementation 2007-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A