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Projection apparatus
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Patent number 4,998,821
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Issue date Mar 12, 1991
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Canon Kabushiki Kaisha
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Masakatsu Ohta
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Projection exposure apparatus
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Patent number 4,907,021
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Issue date Mar 6, 1990
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Canon Kabushiki Kaisha
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Shuichi Yabu
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Plate-like article holding device
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Patent number 4,869,481
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Issue date Sep 26, 1989
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Canon Kabushiki Kaisha
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Shuichi Yabu
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Projection exposure apparatus
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Patent number 4,786,947
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Issue date Nov 22, 1988
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Canon Kabushiki Kaisha
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Masao Kosugi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Mask aligner
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Patent number 4,479,711
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Issue date Oct 30, 1984
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Canon Kabushiki Kaisha
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Masao Kosugi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY