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Standard
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DIN EN 60079-25 VDE 0170-10-1:2004-09

Electrical apparatus for explosive gas atmospheres

Part 25: Intrinsically safe systems

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119.08 € 
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Standard
withdrawn:

DIN EN 50039 VDE 0170-10:1982-04

Electrical apparatus for potentially explosive atmospheres

Intrinsically safe electric systems "i"

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20.65 € 
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