All goods in this class including electrical apparatus and instruments relative to audio and video transmitting and receiving and recording and reproducing systems; namely, audiovisual teaching apparatus; automatic telephone answering and recording machines and remote control oscillators thereof; dictating machines; cable television equipments; radio and television transmitting and receiving sets including auto radio receiving sets and monitor television receiving sets; audio and video tape dubbing apparatus; video displays; video tape; cassette and disc rec orders and players; magnetoelectric transducers; demagnet- izers; unrecorded and prerecorded audio and video tapes and cassettes; phonograph records; video discs; electric phono- graphs; record players; motors for audio and video tape, cassette and disc recorders and players and for phonographs; pickups; tone arms; loudspeakers; speaker systems; head- Phones; earphones; microphones, microphone mixers, switches; antennas; electron guns; public address apparatus; trans- ceivers; interphones; dry batteries; AC power adapters; tuners; amplifiers; receivers (tuner-amplifier combinations) audio tape, cartridge and cassette recorders and players with or without radio receiving sets and other combinations of these goods; parts and fittings in this class for all the aforesaid goods