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Date: 2014-05-21 16:07:49Lighting Light sources Light-emitting diodes Semiconductor devices Incandescent light bulb LED lamp Compact fluorescent lamp Halogen lamp Flashlight Light Gas discharge lamps Electromagnetism | Guide_to_changing_to_energy_efficient_lamps_Brochure_EN.pdfAdd to Reading ListSource URL: www.gelighting.comDownload Document from Source WebsiteFile Size: 503,72 KBShare Document on Facebook |