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ČSN is a protected designation of Czech national technical standards.
Electrical apparatus for potentially explosive atmospheres. Powder filling "q"
WITHDRAWN published on 1.10.1995
Selected format:Electrical apparatus for potentially explosive atmospheres - Powder filling "q"
WITHDRAWN published on 1.9.1999
Selected format:
WITHDRAWN published on 17.2.1983
Selected format:Electrical apparatus for potentially explosive atmospheres. Increased safety "e"
WITHDRAWN published on 1.7.1996
Selected format:Explosion-proof electrical apparatus. Increased safety "e"
WITHDRAWN published on 1.9.1993
Selected format:Electrical apparatus for potentially explosive atmospheres - Increased safety "e"
WITHDRAWN published on 1.7.2001
Selected format:
WITHDRAWN published on 27.12.1983
Selected format:Electrical apparatus forpotentially explosive atmospheres Oil immersion "o"
WITHDRAWN published on 1.10.1993
Selected format:Electrical apparatus for potentially explosive atmospheres. Oil immersion "o"
WITHDRAWN published on 1.9.1995
Selected format:Electrical apparatus for potentially explosive atmospheres - Oil immersion "o"
WITHDRAWN published on 1.9.1999
Selected format:Latest update: 2026-09-08 (Number of items: 2 300 134)
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