Mechanisms for counter-operated apparatus; High-frequency apparatus; Flashing lights; luminous signals; Detectors; Data processing apparatus; Intercommunication apparatus; Electronic notice boards; Electric installations for the remote control of industrial operations; Circuit closers; Quantity indicators; Coaxial cables; Cables, electric; Fibre optic cables; Computer memory devices; Computer software, recorded; Computer programs, recorded; Computer programs; downloadable software; Couplers; ...