G06K21/002 - CPC Classification

Information retrieval from punched cards designed for manual use or handling by machine ; Apparatus for handling such cards, e.g. marking or correcting Selecting of marginally notched cards

• G06K21/005 » {the selected cards being displaced laterally relative to the remaining stationary card-file} 0
• G06K21/007 » {the selected cards being restrained and the remaining card-file being laterally displaced} 0