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

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

Dades bibliogràfiques
Publicat a:Manila Bulletin Jan-Dec, Mon-Sat (2012).
Autor principal: Ogle, Alex
Format: Article
Idioma:English
Matèries:
Philips Electronics, Inc.
Technological innovations > Inventions.
Light bulbs > Incandescent lamps.
Philips invention.
LED bulb.
Philips.
Omni-directional bulb.
Crawford, Ed.