Home / Standards / GB/T 3879-2008 GB/T 3879-2008 Active Material blanks of steel bonded carbide 钢结硬质合金材料毛坯 Standard Type GBT ICS 77.160 CCS H72 Status 现行 Issue Date 2008-06-17 Implementation 2008-12-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A