Home / Standards / GB/T 2967-2008 GB/T 2967-2008 Abolished Cast tungsten carbide powder 铸造碳化钨粉 Standard Type GBT ICS 77.160 CCS H71 Status 废止 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