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STN 441523 (441523)

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

STANDARD published on 1.7.1990

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The information about the standard:

Designation standards: STN 441523
Classification mark: 441523
Catalog number: 63206
Note: WITHDRAWN
Publication date standards: 1.7.1990
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Category: Technical standards STN