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DIN EN 50271 VDE 0400-21:2002-05

Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen

Requirements and tests for detectors using software and/or digital technologies

German version EN 50271:2001
Class/Status: Standard, withdrawn
Released: 2002-05
VDE Art. No.: 0400031
Standard
withdrawn:

DIN EN 50271 VDE 0400-21:2011-04

Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen

Requirements and tests for apparatus using software and/or digital technologies;

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