Home / Standards / GB/T 11101-2009 GB/T 11101-2009 Abolished Cemented carbide blanks for round rods 硬质合金圆棒毛坯 Standard Type GBT ICS 77.160 CCS H72 Status 废止 Issue Date 2009-03-19 Implementation 2010-01-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A