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Binder assembly
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Patent number 4,966,486
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Issue date Oct 30, 1990
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King Jim Co., Inc.
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Satoshi Mizutani
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Slide file
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Patent number 4,867,479
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Issue date Sep 19, 1989
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King Jim Co., Ltd.
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Satoshi Mizutani
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Binding device
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Patent number 4,761,091
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Issue date Aug 2, 1988
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King Jim Co., Ltd.
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Kiyoshi Ominato
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Push type mechanical pencil
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Patent number 4,140,408
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Issue date Feb 20, 1979
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Pentel Kabushiki Kaisha
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Satoshi Mizutani
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES