DC or AC supplied electronic step-down convertors for filament lamps - Performance requirements (IEC 61047:2004); German version EN 61047:2004
Edition 2005-02

Controlgear for electric light sources - Safety - Part 2-2: Particular requirements for electronic step-down convertors for filament lamps (IEC 34C/1579/CDV:2023); German and English version prEN IEC 61347-2-2:2023
Edition 2023-12

Lamp controlgear - Part 2-2: Particular requirements for d.c. or a.c. supplied electronic step-down convertors for filament lamps (IEC 61347-2-2:2011); German version EN 61347-2-2:2012
Edition 2012-11

Digital addressable lighting interface - Part 205: Particular requirements for control gear - Supply voltage controller for incandescent lamps (device type 4) (IEC 62386-205:2009); German version EN 62386-205:2009
Edition 2010-05

Textile glass reinforced plastics - Determination of void content - Loss on ignition, mechanical disintegration and statistical counting methods (ISO 7822:1990); German version EN ISO 7822:1999
Edition 2000-01

Corrosion of metals and alloys - Determination of resistance to intergranular corrosion of solution heat-treatable aluminium alloys (ISO 11846:1995); German version EN ISO 11846:2008
Edition 2008-08

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon (ISO 21068-2:2008); German version EN ISO 21068-2:2008
Edition 2008-12