Home / Standards / GB/T 18376.1-2008 GB/T 18376.1-2008 Active Grades of cemented carbide - Part 1:Grades of cemented carbide for cutting tools 硬质合金牌号 第1部分：切削工具用硬质合金牌号 Standard Type GBT ICS 77.160 CCS H70 Status 现行 Issue Date 2008-06-09 Implementation 2008-12-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A