Home / Standards / GB/T 11108-1989 GB/T 11108-1989 Abolished Test method for thermal diffusivity of hardmetal (carbide) 硬质合金热扩散率的测定方法 Standard Type GBT ICS 77.040.30 CCS H21 Status 废止 Issue Date 1989-03-31 Implementation 1990-03-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A