Registration number (WIID)Project No.TitleStatus
57084EN 50057:1998Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100 % lower explosive limitAtcelts
49300EN 50058:1991Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100 % (v/v) gasAtcelts
42806EN 50058:1991/corrigendum Oct. 1991Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100 % (v/v) gasAtcelts
51073EN 50058:1998Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100 % (v/v) gasAtcelts
57045EN 50073:1999Guide for selection, installation, use and maintenance of apparatus for the detection and measurement of combustible gases or oxygenAtcelts
42430EN 50104:1995Electrical apparatus for the detection and measurement of oxygen - Performance requirements and test methodsAtcelts
52528EN 50104:1995/AAElectrical apparatus for the detection and measurement of oxygen - Performance requirements and test methodsIzstrādē
45448EN 50104:1995/ABElectrical apparatus for the detection and measurement of oxygen - Performance requirements and test methodsIzstrādē
43043EN 50104:1998Electrical apparatus for the detection and measurement of oxygen - Performance requirements and test methodsAtcelts
43620EN 50104:2002Electrical apparatus for the detection and measurement of oxygen - Performance requirements and test methodsAtcelts
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