JIS C 8147-2-12:2008 Lamp controlgear -- Part 2-12: Particular requirements for d.c. or a.c. supplied electronic ballasts for discharge lamps (excluding fluorescent lamps)
2013JIS C 8147-2-12:2013 Lamp controlgear -- Part 2-12: Particular requirements for d.c. or a.c. supplied electronic ballasts for discharge lamps (excluding fluorescent lamps)
2008JIS C 8147-2-12:2008 Lamp controlgear -- Part 2-12: Particular requirements for d.c. or a.c. supplied electronic ballasts for discharge lamps (excluding fluorescent lamps)