
Ophthalmic optics. Mounted spectacle lenses.
NORM herausgegeben am 31.12.2009
Designation standards: BS EN ISO 21987:2009
Note: UNGÜLTIG
Publication date standards: 31.12.2009
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: British technical standard
Kategorie: Technische Normen BS