China 'GB/T 20170.2-2006
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20170.2-2006
Test method of physical characters of rare earth metals and compounds Determination on specific surface area of rare earth compounds 稀土金属及其化合物物理性能测试方法 稀土化合物比表面积的测定
Issued Date:2006
Implemented Date:2006
Issued by:
The Standardization Administration of the People's Republic of China