US2259557A
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Envelope handling machine
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US2159260A
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Envelope opening machine
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US2136786A
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Envelope handling machine
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US2163026A
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Envelope opening machine
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US2129053A
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Stamp affixing mechanism
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US1872726A
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Envelope handling machine
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US1497766A
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Printing apparatus
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US1379651A
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Stamp-affixer
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US1326978A
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Stamp or label affixer
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US1277432A
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Straightening device for coiled strips of stamps or the like.
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US1406435A
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Counter-operating mechanism for stamp affixers
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US1356253A
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Liquid-dispensing apparatus for stamp-affixers
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US1225868A
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Stamp-affixing machine.
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US1216363A
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Stamp-affixer.
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US1212314A
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Stamp-affixer cabinet.
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US1216267A
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Counter mechanism for stamp-affixers.
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US1212403A
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Registering device for stamp-affixers.
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US1157113A
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Envelop sealing and stamping machine.
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CA144572A
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Stamp affixer
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US1093658A
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Stamp-affixer.
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