
Tin-tungsten ores and concentrates. Determination of aluminium oxide content
NORM herausgegeben am 1.7.1990
Designation standards: STN 441507
Classification mark: 441507
Catalog number: 63190
Note: UNGÜLTIG
Publication date standards: 1.7.1990
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN