9 TELECOMMUNICATION EQUIPMENT, NAMELY TELEPHONES, SWITCHING UNITS, INTERCOMS, DIALING UNITS, METERS, ANSWERING UNITS, MODEMS, ELECTRONIC APPARATUS FOR TRANSMITTING DATA BY TELEPHONE LINE THROUGH THE HANDSET MICROPHONE OF A TELEPHONE, ELECTRONIC APPARATUS FOR MONITORING TELEPHONE CHARGES, TERMINALS COMPRISED OF A MONITOR AND A CENTRAL UNIT FOR COMMUNICATION BY TELEPHONE LINE; ELECTRICAL EQUIPMENT, NAMELY OPTICAL READERS, MAGNETIC READERS AND PRINTERS; PRINTED CIRCUITS; HYBRID CIRCUITS; INTEGRATED CIRCUITS; TRANSMITTERS, RECEIVERS AND EMITTERS; ALARM UNITS; AND MAGNETIC TAPE