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STN is a protected designation of Slovak national technical standards.
Optical workshop calibres. Dimensions
WITHDRAWN published on 1.4.1956
Selected format:Handles of optical calibres. Dimensions
WITHDRAWN published on 1.4.1956
Selected format:Optical measurement instruments. Scale of optical instruments
WITHDRAWN published on 1.12.1959
Selected format:Optika a optické prístroje. Fokometre. Prístroje na všeobecné používanie (ISO 8598-1: 2014) (Norma na priame používanie ako STN).
Standard published on 1.2.2015
Selected format:Opthics and optical instruments. Focimeters
WITHDRAWN published on 1.2.2001
Selected format:Ophthalmic optics and instruments - Reporting aberrations of the human eye (ISO 24157:2008)
Standard published on 1.11.2008
Selected format:Ophthalmic optics and instruments - Reporting aberrations of the human eye (ISO 24157:2008)
Change published on 1.8.2020
Selected format:Ophthalmic optics - Reference method for the testing of spectacle frames and sunglasses for nickel release
Standard published on 1.2.2026
Selected format:Ophthalmic optics - Reference method for the testing of spectacle frames and sunglasses for nickel release
WITHDRAWN published on 1.4.2016
Selected format:Reference test method for release of nickel from those parts of spectacle frames and sunglasses intended to come into close and prolonged contact with the skin
WITHDRAWN published on 1.9.2011
Selected format:Latest update: 2026-07-01 (Number of items: 2 285 809)
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