ČSN 446170 (446170)

Mine ventilation. Lightweight air ducts with rotary flanges

NORM herausgegeben am 23.12.1981

The information about the standard:

Designation standards: ČSN 446170
Classification mark: 446170
Catalog number: 28478
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