Hairsprings for Watches and Clocks; CGS Numbers.
NORMA vydaná dňa 1.7.1968
Designation standards: DIN 8304:1968-07
Note: NEPLATNÁ
Publication date standards: 1.7.1968
The number of pages: 1
Approximate weight : 3 g (0.01 lbs)
Country: German technical standard
Kategória: Technické normy DIN
Spiralfedern für Uhren; CGS-Nummern.