灯具 第1部分:一般要求与试验
Luminaires-Part1: General requirements and tests
Luminaires-Part1: General requirements and tests
Luminaires-Part1: General requirements and tests
Luminaires-Part1: General requirements and tests
Electric bicycles-cell or battery and chargersnPart 1: Sealed Pb-acid batteries and chargers
Technical requirements of charger for electric bicycles
Luminaires- Part 2-2 : Particular requirements-nRecessed luminaires
Measurement methods of the performance for LED downlights
Minimum allowable values of energy efficiency and energy efficiency grades of LED products for indoor lighting
Luminaire performance-nPart 2-1: Particular requirements for LED luminaires
Minimum allowable values of energy efficiency and energy efficiency grades ofnLED flat panel luminaires