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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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CH206855D1937-07-081938-06-30Procédé pour régénérer des cartes d'enregistrement perforées et machine pour sa mise en oeuvre.
CH206855A
(fr)