
Tin-tungsten ores and concentrates. Determination of silicon dioxide content
STANDARD published on 20.7.1990
Designation standards: ČSN 441504
Classification mark: 441504
Catalog number: 28221
Note: WITHDRAWN
Publication date standards: 20.7.1990
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN