Image and sound recording and reproduction apparatus, including spool-tape and cassette tape apparatus, magnet heads for electro-acoustic and video purposes, microphones and stands for same, headphones, earphones, loudspeakers, radio receivers, stereo noise filters, electro-acoustic amplifiers, record players, gramophone record scanners, spool magnet sound and video tapes as well as empty spools for same, video and magnet sound cassette tapes, connecting cables and connecting leads, telephone adaptors, telephone answering equipment, radio-telephonic equipment, speaking equipment, duplex equipment, sound and image mixing desks, electronic apparatus for regulating and influencing sound, electrotechnical and electronic control, indicating and regulating apparatus, monitors for controlling the record on magnetic tapes, remote control apparatus for sound and videotape and cassette equipment, language teaching Equipment consisting of sound recording and reproduction apparatus as well as the relevant control equipment, acoustic switches, synchronization apparatus for slide projectors, apparatus for the input, transmission, recording, transfer, processing, storage and issue of data, display apparatus and keyboards for same, telex apparatus, electrically or electronically operated synchronous time switches, batteries and accumulators, power supply and charging apparatus; plant consisting of a combination of a few or several of the aforementioned items; components for all the items mentioned, all of the above being goods in this class

Tape recorders, their parts and accessories; microphones; tape monitoring apparatus; earphones; remote control apparatus for tape recorders; loudspeakers; magnetic tapes; telephone attachments; multi-channel mixers; amplifiers; electronic control equipment,