Philips invention goes on sale Light bulb lasts 20 years. IN Business.

Библиографические подробности
Опубликовано в::	Manila Bulletin Jan-Dec, Mon-Sat (2012).
Главный автор:	Ogle, Alex
Формат:	Статья
Язык:	English
Предметы:	Philips Electronics, Inc. Technological innovations > Inventions. Light bulbs > Incandescent lamps. Philips invention. LED bulb. Philips. Omni-directional bulb. Crawford, Ed.