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Solar light condensing system
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Patent number 8,726,899
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Issue date May 20, 2014
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Tokyo Institute of Technology
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Yutaka Tamaura
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F28 - HEAT EXCHANGE IN GENERAL
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Solar collector
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Patent number 5,894,837
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Issue date Apr 20, 1999
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Heinz Groesswang
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F24 - HEATING RANGES VENTILATING
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Solar heat collecting apparatus
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Patent number 4,566,435
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Issue date Jan 28, 1986
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Kabushiki Kaisha Komatsu Seisakusho
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Kanichi Kadotani
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F24 - HEATING RANGES VENTILATING
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Solar collector
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Patent number 4,469,088
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Issue date Sep 4, 1984
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The Agency of Industrial Science and Technology
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Shunichi Anzai
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F24 - HEATING RANGES VENTILATING
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Solar heat collector
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Patent number 4,311,132
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Issue date Jan 19, 1982
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Patlico Rights N.V.
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Josephus P. M. van Kuijk
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F24 - HEATING RANGES VENTILATING
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Solar collector device
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Patent number 4,297,991
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Issue date Nov 3, 1981
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National Solar Corporation
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Anthony Easton
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Solar collector
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Patent number 4,261,334
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Issue date Apr 14, 1981
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Robert D. Matthews
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F24 - HEATING RANGES VENTILATING
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Solar heater
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Patent number 4,031,881
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Issue date Jun 28, 1977
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Heinz E. P. Thiel
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F24 - HEATING RANGES VENTILATING
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Solar heater
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Patent number 4,024,853
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Issue date May 24, 1977
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Robert M. Gordon
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F24 - HEATING RANGES VENTILATING
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Solar energy absorber panel
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Patent number 3,987,784
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Issue date Oct 26, 1976
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Kennecott Copper Corporation
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Joseph A. Godrick
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F24 - HEATING RANGES VENTILATING
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1837449
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Patent number 1,837,449
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Issue date Dec 22, 1931
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F24 - HEATING RANGES VENTILATING