STN 441523 (441523)

Tin-tungsten ores and concentrates. Determination of niobium, tantalum and scandium content

NORM herausgegeben am 1.7.1990

The information about the standard:

Designation standards: STN 441523
Classification mark: 441523
Catalog number: 63206
Note: UNGÜLTIG
Publication date standards: 1.7.1990
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN