NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 50056 ; VDE 0400-3:1999-07 [Withdrawn] references following documents:
Document number | Edition | Title |
---|---|---|
EN 50056 | 1998-07 | 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 More |