Home / Standards / GB/T 34643-2017 GB/T 34643-2017 Active Sintered metal porous materials—Determination of air filter permeability 烧结金属多孔材料 气体过滤性能的测定 Standard Type GBT ICS 77.160 CCS H16 Status 现行 Issue Date 2017-09-29 Implementation 2018-04-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A