
Ophthalmic optics - Spectacle frames - Screw threads.
NORMA vydaná dňa 1.2.2017
Designation standards: DIN EN ISO 11381:2017-02
Publication date standards: 1.2.2017
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: German technical standard
Kategória: Technické normy DIN
Augenoptik - Brillenfassungen - Schraubgewinde.