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ČSN is a protected designation of Czech national technical standards.
WITHDRAWN published on 21.4.1964
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WITHDRAWN published on 21.4.1964
Selected format:Assembly tools for screws and nuts - Nomenclature
WITHDRAWN published on 1.3.1994
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WITHDRAWN published on 3.1.1963
Selected format:Wrenches. Technical regulations
Standard published on 24.2.1976
Selected format:Assembly tools for screws and nuts - Driving squares - Part 1: Driving squares for hand socket tools
Standard published on 1.2.2012
Selected format:Assembly tools for bolts and screws - Driving squares for powersocket wrenches and hand socket wrenches
WITHDRAWN published on 1.5.1997
Selected format:Widths across flats
Standard published on 24.2.1965
Selected format:Assembly tools for screws and nuts - Wrench and sockets openings - Tolerances for general use
Standard published on 1.10.2007
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WITHDRAWN published on 3.1.1963
Selected format:Latest update: 2026-07-29 (Number of items: 2 290 440)
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