Home / Standards / GB/T 9966.3-2001 GB/T 9966.3-2001 Abolished Test methods for natural facing stones--Part 3:Test methods for bulk density，true density，true porosity and water absorption 天然饰面石材试验方法 第3部分:体积密度、真密度、真气孔率、吸水率试验方法 Standard Type GBT ICS 91.100 CCS Q21 Status 废止 Issue Date 2001-12-30 Implementation 2002-08-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A