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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
telephone and telecommunication equipment, namely, central office, local, tandem and gateway switches; wire and wireless private automatic branch switches; key telephone switches; data packet network switches; frame relay switches; remote switches; cellular mobile telephone switches; synchronized optical network access, transport and switching nodes; base site controllers, transceivers and test bays; microwave radio systems comprising transmitters, receivers, transmitter/receiver digital processors, repeaters and related software, access transmission products comprising fiber and copper feeders and digital cross connects; telephone apparatus, namely, ringers and tone receivers, automated attendant switches; traffic billing operator terminals; switching software; residential, public, business and mobile/cordless telephone sets; headsets; telephone jacks; line connectors; video and text terminals; maintenance administrative terminals; copper cable; optical fiber cable; submarine cable; electrical protectors; connecting blocks; cable terminals; indoor and outdoor cross connect frames; patch panels; mechanial splices; cable strippers; couplers; attenuators; multiplexors; line concentrators; multiplex terminals; loop carriers; short to long haul inter-office transmission hardware; analog and digital radios; antenna; codecs; channel banks; repeaters; repeater and span lines; network local test cabinets; network remote test units; network loop reporting and test systems; network test operational support systems; digital announcers; billing media converters; paging and response systems comprising key services modules and hand free terminals; power plants; comprising batteries, monitors, alarms, fuses, breakers, rectifiers, transformers and control panels; electrical power supplies; rectifiers; direct current to direct current converters; telephone and transmission software; integrated circuits; semiconductors; transformers; diodes; resistors; capacitors; transistors; printed circuit boards; magnetic tapes; tape drives; and read only memory on compact disk; computer telecommunication software for recording, storing and delivering voice messages; automatic call distribution software; intelligent networks comprising signal transfer/switching point link software, and signal control point databases; optical sources and optical detectors