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Date: 2004-01-24 20:35:24Optics Light-emitting diodes Semiconductor devices Signage Candela Lumen Flash Philips Lumileds Lighting Company Luminous efficacy Lighting Light Photometry | Add to Reading ListSource URL: www.periheliondesign.comDownload Document from Source WebsiteFile Size: 57,57 KBShare Document on Facebook |