Clocks and watches, fine mechanics; Countersunk head screws for upper balance cover plates, watches.
NORMA vydána dne 1.10.1946
Designation standards: DIN 8251:1946-10
Note: NEPLATNÁ
Publication date standards: 1.10.1946
The number of pages: 1
Approximate weight : 3 g (0.01 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Uhren und uhrentechnische Feingeräte - Senkschrauben für obere Unruh-Decksteinplatten - Uhren.