STN 446280 (446280)

Ventilation in mines. Air ducts with rotary flanges. Packing

NORM herausgegeben am 1.1.1955

The information about the standard:

Designation standards: STN 446280
Classification mark: 446280
Catalog number: 63535
Note: UNGÜLTIG
Publication date standards: 1.1.1955
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN