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Electronic flash device
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Patent number 4,717,861
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Issue date Jan 5, 1988
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Minolta Camera Kabushiki Kaisha
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Yoshio Yuasa
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Enlarger for use in photography
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Patent number 4,704,025
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Issue date Nov 3, 1987
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Minolta Camera Kabushiki Kaisha
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Yoshio Yuasa
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Light measuring device
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Patent number 4,655,576
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Issue date Apr 7, 1987
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Minolta Camera Kabushiki Kaisha
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Yoshio Yuasa
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Electronic flash device
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Patent number 4,608,522
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Issue date Aug 26, 1986
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Minolta Camera Kabushiki Kaisha
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Yoshio Yuasa
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Enlarger for use in photography
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Patent number 4,576,470
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Issue date Mar 18, 1986
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Minolta Camera Kabushiki Kaisha
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Yoshio Yuasa
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Color enlarger
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Patent number 4,575,225
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Issue date Mar 11, 1986
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Minolta Camera Kabushiki Kaisha
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Yoshio Yuasa
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Light source for exposure
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Patent number 4,551,011
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Issue date Nov 5, 1985
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Minolta Camera Kabushiki Kaisha
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Yoshio Yuasa
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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