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STN is a protected designation of Slovak national technical standards.
Prismatic telescope
WITHDRAWN published on 1.4.1960
Selected format:Spherical levels of medium sensitivity
WITHDRAWN published on 1.3.1962
Selected format:Tube water levels with medium sensitivity
WITHDRAWN published on 1.7.1957
Selected format:Ophthalmic instruments. Tonometers (ISO 8612:2001)
WITHDRAWN published on 1.5.2002
Selected format:Geodetic apparatus connection to the stand. Dimensions
WITHDRAWN published on 1.10.1956
Selected format:Optics and optical instruments. Ophthalmology. Graduated dial scale
Standard published on 1.8.2001
Selected format:Ophthalmic optics and instruments - Near reading charts (ISO 7921:2024)
Standard published on 1.6.2024
Selected format:Optics and optical instruments. Contact lenses. Determination of inclusion and surface imperfections for rigid contact lenses
WITHDRAWN published on 1.12.2000
Selected format:Optics and optical instruments.Ophthalmic optics. Formers
Standard published on 1.4.1999
Selected format:Ophthalmic instruments - Endoilluminators - Fundamental requirements and test methods for optical radiation safety (ISO 15752:2010)
Standard published on 1.5.2010
Selected format:Latest update: 2026-07-02 (Number of items: 2 285 991)
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