9 Scientific, control and teaching apparatus and instruments, namely, computer hardware for use in network management, computer hardware for communicating audio, video and data between computers via a computer network, computer hardware for telecommunications; apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity, namely, electronic conductors, electronic transformers, electronic accumulators, electronic circuit blank tapes for electronic data storage; apparatus for recording, transmission and reproduction of sound and images; blank magnetic data carriers; prerecorded magnetic data carriers featuring computer software for network management, for customer-relationship-management (CRM) and for file management; calculators, data processing apparatus and computers; recorded computer programs for network management, for customer-relationship-management (CRM) and for file management; downloadable computer programs for network management, for customer-relationship-management (CRM) and for file management; recorded computer software for network management, for customer-relationship-management (CRM) and for file management; downloadable computer software for network management, for customer-relationship-management (CRM) and for file management; blank smart cards, namely, cards with integrated circuits; encoded smart cards, namely, encoded cards with integrated circuits containing programming used for network management, for customer-relationship-management (CRM) and for file management