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Priority to DD16431772ApriorityCriticalpatent/DD103336A1/xx
Priority to DE19722260674prioritypatent/DE2260674C3/de
Priority to FR7300946Aprioritypatent/FR2192501A5/fr
Publication of DD103336A1publicationCriticalpatent/DD103336A1/xx
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
G06K21/02—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed mechanically, e.g. by needle
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Physics & Mathematics
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General Physics & Mathematics
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Engineering & Computer Science
(AREA)
Theoretical Computer Science
(AREA)
Management Or Editing Of Information On Record Carriers
(AREA)
