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DIN EN 50056 VDE 0400-3:1999-07

Electrical apparatus for the detection and measurement of combustible gases

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

German version EN 50056:1998
Class/Status: Standard, withdrawn
Released: 1999-07
VDE Art. No.: 0400012
Standard
withdrawn:

DIN EN 61779-3 VDE 0400-3:2001-07

Electrical apparatus for the detection and measurement of flammable gases

Performances requirements for Group I apparatus indicating à volume fraction up to 100 % methane in air

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