73109178
Dec 10, 1976
Jun 26, 1979
APPARATUS FOR RECORDING INFORMATION ON AND EXTRACTING INFORMATION FROM MAGNETIC CARDS AND FOR CODED AND UNCODED MAGNETIC CARDS USED THEREWITH FOR CHANGING CONSTANTS IN AND FOR INTRODUCING SETPOINTS AND THE LIKE INTO ALGORITHMS EMPLOYED IN PROGRAMMING CONTROLS FOR PROCESSING MACHINES AND SYSTEMS
Electrical and Scientific Apparatus