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Priority claimed from GB28626/27Aexternal-prioritypatent/GB305065A/en
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Publication of FR668491ApublicationCriticalpatent/FR668491A/fr
G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
G06K21/08—Apparatus or tools for correcting punching or slotting errors and regeneration of record carriers
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FR668491D1927-10-271926-11-13Procédé et machine pour la régénération de fiches perforées
ExpiredFR668491A
(fr)