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US2896538A
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Operating means for bed-and-cylinder printing press
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US1625642A
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Method and mechanis for delivering and stacking sheets
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US1666489A
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Sheet-delivery apparatus
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US1275002A
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Gripper-motion.
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US1380469A
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Printing-press
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US1356051A
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Printing-press
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US1245324A
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Facing means for wear-surfaces.
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US1171843A
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Bed and cylinder drive for printing-presses.
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US1196934A
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Sheet-registering mechanism.
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US1170053A
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Sheet-advancing mechanism.
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US1181581A
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Automatic trip for printing-presses.
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US1166583A
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Roll-separating means for printing-presses.
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US1163898A
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Shaft-locking means.
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US1146929A
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Sheet-feeder.
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US1064134A
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Method of making printing-plates.
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US912093A
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Printing-plate.
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US912092A
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Process of making printing-plates.
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