Philips replacement bulb recognized as one of the best inventions of 2009.

ग्रंथसूची विवरण
में प्रकाशित:	Manila bulletin Jan-Dec, Mon-Sat (2009).
स्वरूप:	लेख
भाषा:	English
विषय:	Light emitting diodes. Electric lighting > Technological innovations. Philips Electronics. LED lamps. TIME best inventions.