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ČSN is a protected designation of Czech national technical standards.
Explosive atmospheres - Part. 35-2: Caplights for use in mines susceptible to firedamp - Performance and other safety-related matters
Standard published on 1.6.2013
Selected format:Explosive atmospheres - Part 39: Intrinsically safe systems with electronically controlled spark duration limitation
Standard published on 1.9.2019
Selected format:Explosive atmospheres - Part 40: Requirements for process sealing between flammable process fluids and electrical systems
Standard published on 1.5.2017
Selected format:Explosive atmospheres - Part 43: Equipment in adverse service conditions
Standard published on 1.12.2021
Selected format:Explosive atmospheres - Part 45: Electrical ignition systems for internal combustion engines
Standard published on 1.3.2026
Selected format:Explosive atmospheres - Part 47: Equipment protection by 2-wire intrinsically safe Ethernet concept (2-WISE)
Standard published on 1.1.2022
Selected format:Výbušné atmosféry - Část 47: Ochrana zařízení pomocí koncepce dvouvodičového jiskrově bezpečného Ethernetu (2-WISE).
Correction published on 1.1.2026
Selected format:
WITHDRAWN published on 1.2.1996
Selected format:
WITHDRAWN published on 23.7.1980
Selected format:Electrical apparatus for explosive gas atmospheres - Part 0: General requirements
WITHDRAWN published on 1.12.2004
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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