NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[Withdrawn]
DIN 8251
DIN 8251
Clocks and watches, fine mechanics; Countersunk head screws for upper balance cover plates, watches
Title (German)
Uhren und uhrentechnische Feingeräte; Senkschrauben für obere Unruh-Decksteinplatten; Uhren
Responsible national committee
NA 027 BR - Advisory Board of DIN Standards Committee Optics and Precision Mechanics