
Ophthalmic optics — Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses
NORM herausgegeben am 18.9.2019
Designation standards: ISO/TR 21958:2019
Publication date standards: 18.9.2019
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: International technical standard
Kategorie: Technische Normen ISO