Home / Standards / GB/T 5242-2017 GB/T 5242-2017 Active Inspection rules and test methods of cemented carbide products 硬质合金制品检验规则与试验方法 Standard Type GBT ICS 77.160 CCS H16 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A