Electrical apparatus for the detection and measurement of combustible gases; performance requirements for group I apparatus indicating up to 5 % (v/v) methane in air
German title
Elektrische Geräte für das Aufspüren und die Messung brennbarer Gase; Anforderungen an das Betriebsverhalten von Geräten der Gruppe I mit einem Meßbereich bis zu 5 % (V/V) Methan in Luft
Publication date
1991-06
Original language
English
Publication date
1991-06
Original language
English
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Replacement amendments
This document has been modified by: EN 50055/A1:1995-05