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STN is a protected designation of Slovak national technical standards.
Czechoslovak analytical standard sample for ferro-alloys
WITHDRAWN published on 1.12.1963
Selected format:Czechoslovak analytical standard sample for non-ferrous metals. Pure and cathodic nickel
WITHDRAWN published on 1.12.1963
Selected format:Czechoslovak analytical standard sample for non-ferrous metals. Aluminum and aluminum alloys
WITHDRAWN published on 1.12.1963
Selected format:Czechoslovak analytical standard of blast-furnace and foundry slag
WITHDRAWN published on 1.5.1970
Selected format:Czechoslovak analytical standard sample for non-ore materials
WITHDRAWN published on 1.1.1971
Selected format:Machine drawing. Representation and dimensioning of threads, bolts and nuts
Standard published on 1.1.1962
Selected format:Diagrams for the chemical and petrochemical industry - Part 1: Specification of diagrams (ISO 10628-1:2014)
Standard published on 1.8.2015
Selected format:Diagrams for the chemical and petrochemical industry. Part 2: Graphical symbols
Standard published on 1.9.2013
Selected format:Flow diagrams for process plants. General rules (ISO 10628:1997)
WITHDRAWN published on 1.1.2004
Selected format:Diagrams for the chemical and petrochemical industry - Part 2: Graphical symbols (ISO 10628-2:2012)
WITHDRAWN published on 1.5.2013
Selected format:Latest update: 2025-09-16 (Number of items: 2 234 278)
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