BT&D TECHNOLOGIES

APPARATUS AND INSTRUMENTS FOR OPTICAL TRANSMISSION; NAMELY, LASERS AND LIGHT EMITTING DIODES, PHOTO-DETECTORS, OPTICAL TRANSMITTERS, OPTICAL RECEIVERS, OPTICAL GENERATORS, OPTICAL SWITCHES, OPTICAL AMPLIFIERS, OPTICAL MODULATORS, OPTICAL COUPLERS, OPTICAL CABLES, OPTICAL WAVEGUIDES; CONTROL CIRCUITRY; COMPUTERS; MICROPROCESSORS; OPTICAL DATA CARRIER IN THE FORM OF DISCS, TAPES AND CARDS; ENCODED COMPUTER PROGRAMS FOR OPTICAL DATA TRANSISSION; AND CABLES FOR ELECTRICAL OR OPTICAL SIGNAL TRANSMISSION

PAPER AND CARDS, FOR THE RECORDAL OF COMPUTER PROGRAMS AND FOR THE RECORDAL OF DATA; BOOKS, MANUALS, AND BROCHURES USED FOR INSTRUCTIONAL PURPOSES IN RELATION TO COMPUTERS AND COMMUNICATIONS APPARATUS AND INSTRUMENTS