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Efficiency Of A Light Emitting Diode - ERNET India
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led H4 Vs H4 bulb .AVI - YouTube
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CLD-AP15 Rev 0 LED Luminaire Design Guide - Cree Inc.
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Comparing LED Lighting To High-Pressure Sodium Lamps
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Quick Tip: What Are CFLs? - About.com Home
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Lighting efficiency - Xcel Energy
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LED Measurement Series: Luminaire Eficacy
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