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Luminous efficacy [lumen/watt] of all lights included in the test sample. | Download Scientific Diagram
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Ikea RYET G4 LED Bulb, 100 Lumen, 1 Watt, 12 Volt, 2700 Kelvin - [Set of 2] : Amazon.co.uk: Lighting
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LUTEC Table Cube Light 100 Lumen 1 Watt 3 LED Simple Touch-Button Operation 3 Step Dimmer Portable & Moveable Solar Table Light Outdoor,Waterproof Exterior Atmosphere Lighting for Patio, Tent - - Amazon.com
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