China 'GB/T 9966.3-2001
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 9966.3-2001
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
Issued Date:2001-12-30
Implemented Date:2002-08-01
Issued by:
The Standardization Administration of the People's Republic of China