Photographic materials. Core for motion-picture film and perforated magnetic tapes. Essential dimensions and specifications
NORM herausgegeben am 10.4.1987
Designation standards: ČSN 666903
Classification mark: 666903
Catalog number: 30347
Note: UNGÜLTIG
Publication date standards: 10.4.1987
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN