nonimaging fresnel lenses design and performance of solar conce

nonimaging fresnel lenses design and performance of solar conce

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Nonimaging Fresnel Lenses: Design and Performance of Solar Concentrators by Ralf

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FLP 6" Inch Fresnel Glass Lens with White Plastic Trim-60 Watt Max. -for Wet ...

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24 Array Fresnel Lens 91x63mm FL15mm Used for Stage Light Lighting Tools

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FLP 6" Inch Fresnel Glass Lens with White Plastic Trim-60 Watt Max. -for Wet ...

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F20 9 Inch Fresnel Lens Bowens Mount 10°- 45°Optical Focusing H9S8

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(Assorted) Professional Light Fixture Lens ***OPEN BOX*** PAR64 Fresnel Altman

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P5270-09 Fresnel Lens Collection Pendants, Gray

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