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Ledrise - High Performance Led Lighting Luminous Efficacy and Useful Lumens: A Comprehensive Guide to Efficient Lighting Design
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CTKcom T45 E26 Amber Antique LED Edison Light Bulb,T14 LED Tubular Vintage Antique Dimmable led Bulb,4 Watt 120V 2200K Warm White 180 lumens 40 Watt Equivalent,4 Pack - Amazon.com
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