Home / Standards / GB/T 7964-2020 GB/T 7964-2020 Active 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 77.160 CCS H22 Status 现行 Issue Date 2020-03-06 Implementation 2021-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A