Ophthalmic optics. Spectacle frames. Requirements and test methods.
NORM herausgegeben am 30.3.2020
Designation standards: BS EN ISO 12870:2018
Publication date standards: 30.3.2020
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: British technical standard
Kategorie: Technische Normen BS
ISBN: 978 0 539 13452 0 Status: Under Review