Home / Standards / GB/T 7964-1987 GB/T 7964-1987 Abolished Sintered metal materials (excluding hardmetal)--Tension testing at room temperature 烧结金属材料(不包括硬质合金) 室温拉伸试验 Standard Type GBT ICS 77.040.10 CCS H22 Status 废止 Issue Date 1987-01-26 Implementation 1988-03-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A