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Standard
withdrawn:

DIN EN 61779-4 VDE 0400-4:2001-07

Electrical apparatus for the detection and measurement of combustible gases

Performance requirements for group II apparatus indicating a volume fraction up to 100 % lower explosive limit

26.47 € 
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Standard
withdrawn:

DIN EN 50057 VDE 0400-4:1999-07

Electrical apparatus for the detection and measurement of combustible gases

Performance requirements for Group II apparatus indicating up to 100 % lower explosive limit

34.82 € 
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Standard
withdrawn:

DIN EN 50057 VDE 0400-4:1993-07

Electrical apparatus for the detection and measurement of combustible gases

Performance requirements for Group II apparatus indicating up to 100 % lower explosive limit

22.57 € 
Add Document