DS DS/EN 50017
DS DSEN 50017 2000-JUN-23 Electrcal apparatus for potentally explosve atmospheres - Powder fllng "q"
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This Standard contains the specific requirements for the construction, testing and marking of electrical apparatus and parts of electrical apparatus and Ex components in the type of protection powder filling "q", intended for use in potentially explosive atmospheres of gas, vapour and mist.