RADIO RECEIVERS; RADIO TRANSMITTING SETS; SOUND AMPLIFIERS; RADIO AMPLIFIERS; RADIO TELEPHONE SETS; RADIO TELEGRAPHIC SETS; VIDEO TAPE RECORDERS; VIDEO CASSETTE TYPE RECORDERS; TELEVISION SETS; RADIOS WITH PHONOGRAPH; MICROPHONES; TELEPHONE RECEIVERS; WIRELESS TELEGRAPHY AND TELEPHONY AMPLIFIERS; RECEIVING SETS FOR WIRELESS TELEGRAPHY; RECEIVING SETS FOR WIRELESS TELEPHONY; AND LOUD SPEAKERS