STN 446170 (446170)

Mine ventilation. Light-weight air ducts with rotary flanges

NORM herausgegeben am 1.12.1981

The information about the standard:

Designation standards: STN 446170
Classification mark: 446170
Catalog number: 63532
Note: UNGÜLTIG
Publication date standards: 1.12.1981
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN