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US2181241A
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Paper sheet feeding mechanism
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DE704354C
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Device for feeding a web of sheets, which partially overlap in a certain adjustable gradation, in buckle folding machines
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DE580672C
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Corner stitching machine
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DE523697C
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Process for the return of the sensor regulating the sheet feed movement in printing, folding and similar machines
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US1784731A
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Paper-folding machine
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US1841539A
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Sheet edge pasting machine
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US1770312A
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Machine for folding paper
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US1738586A
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Signature gathering and stitching machine
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DE419907C
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Book stitching machine
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DE406410C
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Wire stitching machine
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CA390224A
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Sheet feeding device
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