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LED UFO Industrial Lamp, 100 W 10000 LM LED Indoor Spotlight, 3 Colour Temperatures, LED High Bay Light 3000 K/4500 K/6500 K, SMD 2835 LED IP65 Waterproof for Workshop Lighting, Hall Light (100 W, 2 : Amazon.de: Lighting
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LED UFO Industrial Lamp, 100 W 10000 LM LED Indoor Spotlight, 3 Colour Temperatures, LED High Bay Light 3000 K/4500 K/6500 K, SMD 2835 LED IP65 Waterproof for Workshop Lighting, Hall Light (100 W, 2 : Amazon.de: Lighting
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10xE27 LED-5.6watts- 412lumens- warm white-74 lm/w-replaces 40w lamp-
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Køb Ledvance LED Pære - E27 - 13 W - 1521 Lumen på Av-Cables.dk
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Cos ϕ vs. power factor λ - Practice | A. Eberle
