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Computer hardware; Computer software; Multiple computer converters; Multiple computer sharing devices; Multiple computer extenders; Multiple computer KVM Switches; Computer peripheral device switches; Audio video switches; Data storage devices; Data processing apparatus; Programmable data access processing apparatus; Programmable logic controllers; Control panels; Optical discs recorded with computer programs; Computer programs; Computer programs, recorded; Computer operating programs, recorded; Computer firmware; Internet devices; Electronic publications; Interfaces for computers; Printer control cards; Host computer control cards; Read only memory chips; Computer memory cassettes; Image capture cards; Video cards; Video screens; Optical data media; Wire slots; Microcomputer simulators; Electronic data combiners; Electronic manuals; Optical character readers; Multifunctional digital transmitters; Computer input/output recorders; Satellite TV signal converters; Image receivers; Image splitters; Image amplifiers; Audio/video selectors; Video signal wires; Digital audio synthesizers; Audio signal processors; Sound recording apparatus; Image recording apparatus; Sound reproduction apparatus; Image reproduction apparatus; On-demand set-top-boxes; Sound recording carriers; Data carriers; Modems; Signal couplers; Data couplers; Signal Transceivers; Signal simulators; Signal amplifiers; Signal processors; Radio transmitters; Radio receivers; Electrical connectors; Signal transducers; Noise signal filters; Network concentrators; Network adapters; Network signal adapters; Network routers; Network hubs; Signal amplifiers; Satellite signal receivers; Network servers; Sound transmitting apparatus; Image transmitting apparatus; Chips; Integrated circuits; Switches; Plugs; Sockets; Computers; Micro computers; Computer terminals; Power Controllers; Video switches; Video splitters; Video extenders; Wireless briefing systems composed of computer software, network cards, connectors and Internet equipment; Data transmission cables; Electricity mains; Telegraph wires; Patch panels; Electronic wires; Computer cables; Wire connectors; Terminal boxes; Appliance plugs; Centralized switching and maintenance controllers; Signal distributors; Signal switches; Digital to analogue converters; Analogue to digital converters; Optical fiber signal receivers; Optical fiber signal conveyors