9 Scientific, surveying, photographic, cinematographic, optical, measuring, signalling, checking (supervision) and teaching apparatus and instruments; data carriers, recording discs; computer memory devices; data processing equipment and computers; computer programs; apparatus for diagnosing faults in computer networks; apparatus for monitoring traffic on computer networks; telecommunications apparatus, instruments, networks and circuitry; cables, cable systems, optical fibres, optical links, all for telecommunications; and parts and fittings for all the aforesaid goods