中華人民共和國國家標準
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 稀土金屬及其化合物物理性能測試方法 稀土化合物比表面積的測定
Issued Date:2006-04-13
Implemented Date:2006-10-01
Issued by:
The Standardization Administration of the People's Republic of China