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ČSN is a protected designation of Czech national technical standards.
Explosive atmospheres - Part 18: Equipment protection by encapsulation "m"
WITHDRAWN published on 1.6.2010
Selected format:Explosive atmospheres - Part 19: Equipment repair, overhaul and reclamation
WITHDRAWN published on 1.2.2008
Selected format:Explosive atmospheres - Part 19: Equipment repair, overhaul and reclamation
WITHDRAWN published on 1.9.2011
Selected format:Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test methods and data
WITHDRAWN published on 1.11.2010
Selected format:Electrical apparatus for explosive gas atmospheres - Part 25: Intrinsically safe systems
WITHDRAWN published on 1.9.2004
Selected format:Explosive atmospheres - Part 25: Intrinsically safe electrical systems
WITHDRAWN published on 1.6.2011
Selected format:Explosive atmospheres - Part 25: Intrinsically safe electrical systems
WITHDRAWN published on 1.4.2023
Selected format:Elektrická zařízení pro výbušnou plynnou atmosféru - Část 26: Konstrukce, zkoušení a označování elektrických zařízení skupiny II kategorie 1G. (Platnost do 1.10.2009).
WITHDRAWN published on 1.6.2005
Selected format:Explosive atmospheres - Part 26: Equipment with equipment protection level (EPL) Ga
WITHDRAWN published on 1.9.2007
Selected format:Electrical apparatus for explosive gas atmospheres - Part 27: Fieldbus intrinsically safe concept (FISCO) and Fieldbus non-incendive concept (FNICO)
WITHDRAWN published on 1.11.2006
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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