
Ophthalmic optics and instruments - Near reading charts.
STANDARD published on 1.7.2024
Designation standards: DIN EN ISO 7921:2024-07
Publication date standards: 1.7.2024
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: German technical standard
Category: Technical standards DIN
Augenoptik und ophthalmische Instrumente - Nahlesesehschärfetafeln.