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STN EN ISO 7921 (195002)

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

STANDARD published on 1.6.2024

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The information about the standard:

Designation standards: STN EN ISO 7921
Classification mark: 195002
Catalog number: 138553
Publication date standards: 1.6.2024
Approximate weight : 30 g (0.07 lbs)
Country: Slovak technical standard
Category: Technical standards STN