Home / Standards / GB/T 3850-2015 GB/T 3850-2015 Active Impermeable sintered metal materials and hardmetals—Determination of density 致密烧结金属材料与硬质合金 密度测定方法 Standard Type GBT ICS 77.160 CCS H16 Status 现行 Issue Date 2015-12-10 Implementation 2016-07-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A