Home / Standards / GB/T 22308-2008 GB/T 22308-2008 Active Standard test method for density of a sheet gasket material 密封垫板材料密度试验方法 Standard Type GBT ICS 23.040.80 CCS Q24 Status 现行 Issue Date 2008-08-20 Implementation 2009-04-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A