DIN EN 61347-2-2:2012 灯控装置.第2-2部分:白炽灯用交、直流电子压降转换器的详细要求(IEC 61347-2-2-2011).德文版本EN 61347-2-2-2012
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