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Standard
withdrawn:

DIN EN 50055 VDE 0400-2:1993-07

Electrical apparatus for the detection and measurement of combustible gases

Performance requirements for Group I apparatus indication up to 5 % (v/v) methane in air

20.66 € 
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Standard
withdrawn:

DIN EN 50056 VDE 0400-3:1993-07

Electrical apparatus for the detection and measurement of combustible gases

Performance requirements for Group I apparatus indicating up to 100 % (v/v) methane

20.66 € 
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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withdrawn: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

20.66 € 
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Standard
withdrawn:

DIN EN 50058 VDE 0400-5:1993-07

Electrical apparatus for the detection and measurement of combustible gases

Performance requirements for Group II apparatus indicating up to 100 % (v/v) gas

24.23 € 
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