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COMPUTER CHIPS; INTEGRATED CIRCUITS; PRINTED CIRCUIT BOARDS; ADD ON CARDS, NAMELY, MEMORY CARDS; CONTROL CARDS, NAMELY ENCODED SMART CARDS CONTAINING PROGRAMMING USED FOR A WIDE VARIETY OF PURPOSES; MICRO-CONTROLLER COMPUTER CHIPS; COMPUTER DEVICE CONTROLLER FOR CONTROLLING COMPUTER COMPONENTS AS A PART OF OPERATING SYSTEMS; DATA ENCODER/DECODERS; BLANK SMART CARDS; MAGNETIC CODED CARD READERS