Home / Standards / GB/T 5249-2013 GB/T 5249-2013 Active Permeable sintered metal materials - Determination of bubble test pore size 可渗透性烧结金属材料 气泡试验孔径的测定 Standard Type GBT ICS 77.160 CCS H16 Status 现行 Issue Date 2013-09-06 Implementation 2014-05-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A