Scientific, surveying, nautical, electric, photographic, topographical, meteorological, cinematographic, optical, weighing, measuring, signalling, checking, testing apparatus and instruments; test tubes, laboratory crucibles, ovens for laboratory experiments, furniture especially made for laboratories; luminous signalling panels, luminous and mechanical signalling panels, electronic scoreboards; apparatus for recording, transmission or reproduction of sound or images; data processing equipments and computers; magnetic and optical data carriers; cameras, parts and equipments for cameras, magnifying glasses; exposed films; receivers, amplifiers and their parts; electronic installations for the remote control of operations; mechanisms for coin-operated apparatus; telephone apparatus, telex machines, facsimile machines, telegraph apparatus, telephone transmitters, radiotelephony sets; photocopiers; meters; encoded cards (magnetic); weighing apparatus and instruments; detectors, x-ray producing apparatus and installations not for medical purposes, radiological apparatus or industrial purposes; life saving apparatus and equipment; glasses, sun glasses, contact lenses, containers for contact lenses; electric door bells, alarms, sirens; electric wires; batteries, battery boxes, electric flat irons; speed indicators for vehicles, balancing apparatus, vehicle breakdown warning triangles, luminous or mechanical signals, flashing lights; fire-extinguishing apparatus, electric welding apparatus; radar apparatus, sonars, sighting telescopes, rods (surveying instruments); plumb lines, measures, dosage dispensers; hair curlers (electrically heated); electric devices for attracting and killing insects; electric door closers, electric door openers, automatic turnstiles; satellites for scientific purposes; electrolysers, galvanizing apparatus, anodes, cathodes; screen filters for computers and televisions