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Fully automatic coil binding machine
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Patent number 9,150,042
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Issue date Oct 6, 2015
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Chung Sheen Technology Co., Ltd
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Chou-Chih Chiang
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Coded coil element cartridge
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Patent number 5,669,747
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Issue date Sep 23, 1997
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General Binding Corporation
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Roger M. Scharer
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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3688809
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Patent number 3,688,809
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Issue date Sep 5, 1972
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2995157
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Issue date Aug 8, 1961
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2961012
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Patent number 2,961,012
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Issue date Nov 22, 1960
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2808079
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2182844
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Issue date Dec 12, 1939
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2177054
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Patent number 2,177,054
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Issue date Oct 24, 1939
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER