GB366931A
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Improvements in and relating to platen printing machines
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US1968292A
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Printing machine
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US1937145A
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Printing machine
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US1769138A
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Printing machine
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US1813495A
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Device for recording sales transactions
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US1769028A
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Device for recording sales transactions
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US1709077A
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Mailing machine
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US1737721A
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Printing machine
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US1754362A
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Paper-cutting device
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US1757310A
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Automatic stop for printing machines
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CA319876A
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Apparatus for recording business transactions
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CA328892A
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Printing machine
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CA311992A
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Device for recording sales transactions
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CA308751A
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Stop for printing machines
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CA322123A
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Printing machine
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CA332050A
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Sales recording device
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CA311991A
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Printing machine
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CA308752A
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Mailing machine
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CA311990A
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Paper cutting device
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