ČSN 441523 (441523)

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

NORM herausgegeben am 20.7.1990

The information about the standard:

Designation standards: ČSN 441523
Classification mark: 441523
Catalog number: 28240
Note: UNGÜLTIG
Publication date standards: 20.7.1990
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN