
Tin-tungsten ores and concentrates. Determination of manganese content
STANDARD published on 1.7.1990
Designation standards: STN 441505
Classification mark: 441505
Catalog number: 63188
Note: WITHDRAWN
Publication date standards: 1.7.1990
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Category: Technical standards STN