TREA

Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards

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Industry

  • CPC
  • G06K21/06
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Parent Industries

GPHYSICS G06Computing G06KRECOGNITION OF DATA PRESENTATION OF DATA RECORD CARRIERS HANDLING RECORD CARRIERS G06K21/00Information retrieval from punched cards designed for manual use or handling by machine Apparatus for handling such cards

Current Industry

G06K21/06Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards
Industries