STN 190020 (190020)

Focal distances of photographic, enlarging and projecting lenses

NORM herausgegeben am 1.8.1985

The information about the standard:

Designation standards: STN 190020
Classification mark: 190020
Catalog number: 53937
Note: UNGÜLTIG
Publication date standards: 1.8.1985
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN