Roof steel support for use in mines. Common provisions
NORM herausgegeben am 5.12.1985
Designation standards: ČSN 442601
Classification mark: 442601
Catalog number: 28460
Publication date standards: 5.12.1985
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN