Ophthalmic optics - Spectacle frames - Screw threads.
NORMA vydána dne 1.5.2016
Designation standards: E DIN EN ISO 11381:2016-05
Note: NEPLATNÁ
Publication date standards: 1.5.2016
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Augenoptik - Brillenfassungen - Schraubgewinde.