Home / Standards / GB/T 14901-2008 GB/T 14901-2008 Active Test method for density of glass - Method of the sink-float comparison 玻璃密度测定 沉浮比较法 Standard Type GBT ICS 81.040 CCS Q33 Status 现行 Issue Date 2008-12-27 Implementation 2009-09-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A