Optics and optical instruments - Visual acuity testing - Method of correlating optotypes
NORM herausgegeben am 1.12.1997
Designation standards: ČSN EN ISO 8597
Classification mark: 195003
Catalog number: 50568
Note: UNGÜLTIG
Publication date standards: 1.12.1997
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN