Coal mines. The method of dustiness determination
STANDARD published on 25.6.1982
Designation standards: ČSN 446505
Classification mark: 446505
Catalog number: 28484
Note: WITHDRAWN
Publication date standards: 25.6.1982
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN