AUTOMATIC AND SEMI-AUTOMATIC TELEPHONE EXCHANGES; TELEPHONE HAND-SETS AND COMMUNICATION TERMINALS; TELEPRINTERS; FACSIMILE TRANCEIVERS; ELECTRICAL AND OPTICAL FIBRE CABLES FOR TELECOMMUNICATIONS AND INDUSTRIAL USE; ELECTRICAL AND OPTICAL (LASER) SIGNAL TRANSMITTERS AND RECEIVERS FOR USE IN TELECOMMUNICATIONS, INCLUDING CABLE-TELEVISION; SATELLITE COMMUNICATICATION GROUND STATIONS AND MARITIME STATIONS; RADIO AND TELEVISION TRANSMITTERS AND RECEIVERS FOR USE IN TELECOMMUNICATIONS, NAVIGATION, ...