Tightness of watches; definition, requirement, testing.
NORMA vydaná dňa 1.12.1980
Designation standards: E DIN 8310:1980-12
Note: NEPLATNÁ
Publication date standards: 1.12.1980
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: German technical standard
Kategória: Technické normy DIN
Dichtheit von Kleinuhren; Begriff, Anforderung, Prüfung.