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Article attaching apparatus
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Issue date Sep 3, 1991
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GA-Vehren Engineering Co.
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Armand C. L. Hoffstetter
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Ultrasonic paper welding
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Patent number 4,149,288
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Issue date Apr 17, 1979
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Bernard T. Sendor
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2366064
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Issue date Dec 26, 1944
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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1595101
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Issue date Aug 10, 1926
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER