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LED trends: more lumens per watt
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White LED lights with 135 Lumens per Watt About Ten Times Better than Incandescent | NextBigFuture.com
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US Government to Crank Lightbulb Efficiency Up to 120 Lumens Per Watt
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Great Value LED Frosted Light Bulb,A23 200 Watts Soft White High Lumens Bulb,Medium Base,Non Dimmable,1 Pack - Walmart.com
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Buy GM Evo - 9 Watt Emergency Inverter Bulb 100 Lumens Per Watt - 6500K - Cool Day Light- White Online at Low Prices in India - Amazon.in
Paragon Lighting Myanmar - Understanding LUMENS PER WATT RATING Like kilometer-per-liter (of petrol) in a car, the LUMENS-PER-WATT RATING indicates how much light that a particular bulb produces per watt of power
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