Telecommunications, data communications and electronic communications installations, apparatus and instruments; radio, television cable, radiopaging, radio-telephone, telex, facsimile, electrical or electronic control, testing, monitoring, optical, electro-optical, signalling, measuring, checking (supervision) and teaching apparatus and instruments; apparatus for recording, transmission, processing or reproduction of sound and images; audio-visual apparatus and instruments; video conferencing and teleconferencing apparatus and instruments; cable and ducts, all for electrical, telecommunications or optical signal transmission; aerials, waveguides being electronic or telecommunications components; electronic apparatus and instruments, all for processing, logging, storing, transmission, reception and/or print-out of data; computers; microprocessors; encoding and decoding apparatus and instruments; calculators; discs, tapes, cards and wires, all being magnetic data carriers; discs, tapes and cards, all being optical data carriers; computer software; encoded programmes for computers and for data processing apparatus; keyboards, transceivers and controllers; satellite earth stations; parts and fittings for all the aforesaid goods; all included in Class 9.;