Aerials; Antennas; Blank magnetic computer tapes; Blank magnetic data carriers; Blank magnetic discs; Blank magnetic disks; Calculators; Computer hardware; Computer hardware and computer peripheral devices; Computer monitors; Computer peripheral devices; Computers; Electric and magnetic contacts; Electric contacts; Electronic chips for the manufacture of integrated circuits; Electronic pens; Electronic pocket translators; Integrated circuits; Laptop computers; Magnetic coded card readers; Mag...