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NanoLight - The world's most energy efficient lightbulb! by Gimmy Chu, Tom Rodinger, Christian Yan — Kickstarter
Ultra efficient | Philips lighting
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Philips Ultra Efficient LED 60-Watt A19 Light Bulb, Soft White, Non-Dimmable, E26 Base (2-Pack) - Walmart.com
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Philips 4W E27 Ultra Efficient LED Light Bulb (60W)
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Signify launches the Ultra Efficient range of lighting solutions | Signify Company Website
Philips Ultra LED GU10 Downlight 2.4W (50W)
Ultra efficient | Philips lighting
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Efficiency of LEDs: The highest luminous efficacy of a white LED - www.dial.de
Efficient LED lighting systems - Save energy with TRILUX
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Osram To Demonstrate The World's Most Efficient LED Replacement Tube at Light+Building — LED professional - LED Lighting Technology, Application Magazine
Estas nuevas bombillas LED Clase A de Philips prometen durar 50 años y gastar un 60% menos de energía
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New Tungsten Lighting Beats LED Efficiency by up to 128%