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US1906070A
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Elevator structure and control for printing presses
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US1886282A
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Elevator control mechanism for printing presses
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US1886281A
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Automatic trip mechanism for printing presses
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US1820470A
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Gripper motion for cylinder printing presses
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US1820469A
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Automatic paper feeding mechanism for printing presses
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US1762661A
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Paper feeding and elevating mechanism for printing presses
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US1748358A
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Duplex disk distributor for cylinder printing presses
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US1681299A
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Ink fountain for printing presses
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US1668816A
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Top hold-down mechanism for paper feeders
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US1537645A
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Paper ejector for printing presses
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US1581584A
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Form-roller structure for printing presses
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US1537644A
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Printing-ribbon-winding mechanism for printing presses
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US1615590A
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Semiautomatic feed device
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US1587968A
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Paper feed, printing, and inking control mechanism for printing presses
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US1581583A
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Envelope-stacking attachment for printing presses
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US1466922A
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Paper-feed mechanism
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US1434582A
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Paper-feeler mechanism
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US1412766A
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Ink-fountain drive mechanism
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US1413842A
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Adjustable bail
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US1363331A
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Air-cleaner
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