European Committee for Electrotechnical Standardization(CENELEC)
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EN 60079-25:2010
EN 60079-25:2010 history
2010EN 60079-25:2010 Explosive atmospheres - Part 25: Intrinsically safe electrical systems
2004EN 60079-25:2004 Electrical apparatus for explosive gas atmospheres Part 25: Intrinsically safe systems Incorporates Corrigendum April 2006; (IEC 60079-25:2003) [Superseded: CENELEC EN 50039, NEK NEK EN 50039:1980]