Home / Standards / GB/T 7926 GB/T 7926 Active NC reciprocating traveling type wire electrical-discharge machines—Testing of the accuracy 数控往复走丝电火花线切割机床 精度检验 Standard Type GBT ICS 25.080.99 CCS J59 Status 现行 Issue Date 2015-12-10 Implementation 2016-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会