Československý analytický normál nerudných materiálů.
STANDARD published on 28.1.1971
Designation standards: ČSN 012891
Classification mark: 012891
Catalog number: 50
Note: WITHDRAWN
Publication date standards: 28.1.1971
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN