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STN is a protected designation of Slovak national technical standards.
Classification and metrological characteristics of reference materials
Standard published on 1.3.1997
Selected format:Reference materials. Classification
WITHDRAWN published on 1.8.1988
Selected format:Approved reference materials. Declared metrological characteristics
WITHDRAWN published on 1.8.1988
Selected format:pH measuring for aqueous solutions
Standard published on 1.3.1997
Selected format:Analysers of vehicles exhaust gases. Test methods for verification
Standard published on 1.4.2002
Selected format:Breath alcohol test devices other than single use devices - Requirements and test methods
Standard published on 1.8.2011
Selected format:Breath alcohol test devices for general public - Requirements and test methods
Standard published on 1.2.2013
Selected format:Latest update: 2024-08-30 (Number of items: 2 345 304)
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