Trading in, and commercial services in the field of, electric and electronic apparatus and devices composed thereof, namely television sets, satellite receivers, radio sets, tuners, electric amplifiers, mixing amplifiers, reverberation equipment, mixing desks, equalisers, record players, juke boxes and record player chassis, audio and/or video CD players, apparatus for recording, transmission or reproduction of sound and/or images, cassette recorders, tape recorders, microphones, headphones, cabinets for loudspeakers, loudspeaker chassis, loudspeakers, crossover networks, video apparatus, video recorders, videotext apparatus; cameras, including cameras for moving images and individual images, including video cameras, electronic cameras, cinematographic cameras or photographic cameras, lasers and laser devices, including for lighting effects, apparatus and light sources, including light scanners for lighting effects, electronic control devices and controllers for apparatus and light sources, including light scanners for lighting effects, CB radio sets (hand, mobile and fixed apparatus), amateur radio transmission and receiver sets, service radio transmission and receiver sets, radio amplifiers, electric, electronic and optoelectronic components, in particular resistors, potentiometers, adjustable and sliding regulators, capacitors, adjustable capacitors, dimmer resistors, coils and coil elements for electric and electronic circuit boards, ferrite and iron cores, diodes, transistors, thyristors and triacs, integrated circuit boards and switching circuits, temperature and light dependent resistors, photo and lamp diodes, photo transistors, rectifiers, dissipaters for electric, electronic and optoelectronic components, commutators, modulators, relays, transformers and transmitters, safety fuses, mounts and holders for electric and electronic or optoelectronic components, connectors, bushes and pin and socket connectors for electric and electronic commutators and equipment, electric and electronic components for solar technology and components for laser technology, model-making electronics, namely transmission and receiver sets for remote control and units thereof, switching and control circuits for models, electronic switching circuits for flashing lights for models, electronic noise generators, electronic amusement apparatus adapted for use with television receivers only, apparatus and instruments for weak-current engineering, namely for communications engineering, high-frequency engineering and control engineering, electric, electronic and electromechanical measuring instruments, in particular built-in measuring instruments and multiple measuring instruments, digital display multiple measuring apparatus, oscillographs, ondoscopes, frequency counters, adjustable and non-adjustable mains apparatus, in particular including low voltage apparatus, charging apparatus for batteries, television sound transponders and adapters, electric and electronic alarm apparatus and installations and parts therefor, namely optical and acoustic signal transmitters, acoustic sensors (ultrasound movement indicators), optical sensors and light barriers, electromechanical sensors (door and window contacts, vibration contacts for windows and doors), microcomputers, structural components and kits for all the aforesaid apparatus, aerials, including television aerials and satellite receiver aerials, set top aerials, car aerials, amateur radio and CB radio aerials, including being mobile aerials and station aerials, electric and electronic aerial accessories, namely aerial amplifiers, aerial diplexers, coaxial relays and multiple switches for satellite receiving installations, power units for aerial amplifiers and rotors for aerials, aerial cables, level adjusters and distributors for aerials, aerial sockets, terminators for aerial cables, bushings, connectors and adapters for aerials, symmetrical transformers for aerials, electronic aerial positioning apparatus, mechanical aerial accessories, namely aerial masts, mast castings, roof ducts, wall hooks, roof hooks, mast castings for roof rafters, bearings for rotating aerials, mechanical fastening elements for aerials and aerial masts, in particular including fastening elements for fastening mobile aerials to automobiles, mast casings and mast holders for securing aerial amplifiers and crossover networks; electronic navigation systems and apparatus, electrical installation material, dimmer switches for electric room lighting, mains pin and socket connectors, in particular plugs and sockets, electric lines, wires and flex, batteries and accumulators, timer switches, intercom installations, consisting of external and internal speaker stations and, if requiredincluding change-over switches, mains apparatus, amplifiers and video apparatus, electric and electronic demonstration boxes, consisting of electric and electronic components and assemblies; electronic desk and pocket calculators, electronic and mechanical voltage testers, electronic metal-detecting equipment, electric soldering irons and electric soldering stations, consisting of soldering irons and electric supply and control apparatus for soldering irons, telecommunications equipment, in particular telephones, telephone answering machines, fax machines, telex machines, modems, mobile telephones, telephone accessories, namely telephone extension installations, hands-free devices or installations, telephone subscriber call meters, telephone connection boxes, manual and electronic changeover switches for telephones, telephone connectors and sockets, telephone flex, computers, PCs, printers, scanners, screens, hard disks, CD-ROM drives, CD printers, floppy disk drives, keyboards, mice, computer cards, in particular graphics cards and interfaces, memory cards, modems and computer installations composed thereof, computer pin and socket connectors, computer software, in particular computer programs stored on data carriers, including those for controlling lasers and light sources, software tools, data communications software for electronic data exchange, in particular between computers, computer systems and interfaces, including on the Internet and/or an intranet, and for carrying out other computer-based functions, housings of metal or plastic for electric or electronic apparatus, electric small motors and small electrically-driven pumps; light sources, including spot lights, including special effect spot lights, light scanners, light projectors, light spots, ventilators, cooling fans and blowers, smoke machines, lighting materials for light sources, lamps, including flash lights and special effect lamps, low voltage neon-glow lamps, filament lamps, gas discharge lamps, sockets for the aforesaid lamps, motor-operated or electric tools, in particular motor-operated or electric hand tools, including electric drilling machines, electric screwdrivers, electric saws, including table saws and jigsaws, accessories for the aforesaid tools, in particular drill stands and chucks, flexible shafts, power supply apparatus for drilling machines, in particular miniature drilling machines, battery chargers for battery-operated tools, hand-operated tools, including pliers, including flat pliers, crimping pliers and stripping pliers, stripping tools, tongs, side cutters, screwdrivers, socket wrenches, ring spanners, files, blades, saw bows, vices of metal and drills, cutting-off wheels, abrasive pencils, polishing units, jigsaw attachments, collet chucks and clamps; printed matter, in particular periodics and books, games and playthings.