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Standard ÖNORM EN ISO 7921 15.7.2024 preview

ÖNORM EN ISO 7921

Ophthalmic optics and instruments - Near reading charts (ISO 7921:2024)

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STANDARD published on 15.7.2024


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105.60 USD

The information about the standard:

Designation standards: ÖNORM EN ISO 7921
Publication date standards: 15.7.2024
SKU: NS-1193248
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM

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Ophthalmic equipment

Annotation of standard text ÖNORM EN ISO 7921 :

Dieses Dokument ist anwendbar für gedruckte, projizierte und elektronische Anzeigen von kontrastreichem Text, die für die Beurteilung und Messung der Nahlesesehschärfe unter photopischen Bedingungen (Tageslichtbedingungen) vorgesehen sind. Die Definitionen und Anforderungen dieses Dokuments sind anwendbar für das Lateinische Alphabet.

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