Ophthalmic optics - Spectacle frames - Screw threads (ISO 11381:2016)
STANDARD published on 28.12.2016
Designation standards: UNE-EN ISO 11381:2016
Publication date standards: 28.12.2016
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Spanish technical standard
Category: Technical standards UNE