ČSN 446150 (446150)

Mine ventilation. Slipped air ducts

NORM herausgegeben am 23.12.1981

The information about the standard:

Designation standards: ČSN 446150
Classification mark: 446150
Catalog number: 28476
Note: UNGÜLTIG
Publication date standards: 23.12.1981
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN