DIN EN 62442-2:2018現行
Energy Performance Of Lamp Controlgear - Part 2: Controlgear For High Intensity Discharge Lamps (Excluding Fluorescent Lamps) - Method Of Measurement To Determine The Efficiency Of The Controlgear (Iec 62442-2:2014)
出版：Verband Deutscher Elektrotechniker
專家解讀視頻
