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ČSN is a protected designation of Czech national technical standards.
Explosive atmospheres - Part 27: Fieldbus intrinsically safe concept (FISCO)
WITHDRAWN published on 1.1.2009
Selected format:Explosive atmospheres - Part 28: Protection of equipment and transmission systems using optical radiation
WITHDRAWN published on 1.9.2007
Selected format:Explosive atmospheres - Part 29-1: Gas detectors - Performance requirements of detectors for flammable gases
WITHDRAWN published on 1.7.2008
Selected format:Explosive atmospheres - Part 29-2: Gas detectors - Selection, installation, use and maintenance of detectors for flammable gases and oxygen
WITHDRAWN published on 1.7.2008
Selected format:Explosive atmospheres - Part 30-1: Electrical resistance trace heating - General and testing requirements
WITHDRAWN published on 1.12.2007
Selected format:Explosive atmospheres - Part 30-2: Electrical resistance trace heating - Application guide for design, installation and maintenance
WITHDRAWN published on 1.12.2007
Selected format:Explosive atmospheres - Part 31: Equipment dust ignition protection by enclosure "t"
WITHDRAWN published on 1.5.2010
Selected format:Explosive atmospheres - Part 32-1: Electrostatic Hazards - Guidance
WITHDRAWN published on 1.7.2016
Selected format:Explosive atmospheres - Part 35-2: Caplights for use in mines susceptible to firedamp - Performance and other safety-related matters
WITHDRAWN published on 1.1.2013
Selected format:Electrical apparatus for potentially explosive atmospheres - Group I - Intrinsically safe systems - Part 1: Construction and testing
WITHDRAWN published on 1.10.2004
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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