Home / Standards / GB/T 37501-2019 GB/T 37501-2019 Active Brass wires for unidirectional travelling wire electrical-discharge machining in numerically controlled machines 数控机床用单向走丝电火花加工用黄铜线 Standard Type GBT ICS 77.150.30 CCS H62 Status 现行 Issue Date 2019-06-04 Implementation 2020-05-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A