Iron ores and concentrates. Method for determination of external specific surface
NORMA vydána dne 1.1.1988
Designation standards: GOST 21043-87
Publication date standards: 1.1.1988
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST
Implemented changes and corrections:
Amd. 8.89