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STN is a protected designation of Slovak national technical standards.
Optics and optical instruments. Reference wavelengths (ISO 7944:1998)
WITHDRAWN published on 1.1.2001
Selected format:Ophthalmic instruments - Retinoscopes (ISO 12865:2006)
Standard published on 1.12.2006
Selected format:Ophthalmic instruments. Retinoscopes
WITHDRAWN published on 1.12.2000
Selected format:Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: Reference lenses for focimeters used for measuring spectacle lenses (ISO 9342-1:2023)
Standard published on 1.10.2023
Selected format:Optics and optical instruments - Test lenses for calibration of focimeters - Part 2: Test lenses for focimeters used for measuring contact lenses (ISO 9342-2:2005)
Standard published on 1.6.2006
Selected format:Optics and optical instruments. Test lenses for calibration of focimeters
WITHDRAWN published on 1.1.2001
Selected format:Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: Test lenses for focimeters used for measuring spectacle lenses (ISO/FDIS 9342-1:2005)
WITHDRAWN published on 1.10.2005
Selected format:Ophthalmic instruments - Synoptophores (ISO 10944:2009)
Standard published on 1.1.2010
Selected format:Ophthalmic instruments. Synoptophores
WITHDRAWN published on 1.12.2000
Selected format:Ophthalmic instruments - Tonometers (ISO 8612:2009)
Standard published on 1.2.2010
Selected format:Latest update: 2026-07-02 (Number of items: 2 285 991)
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