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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.
multi-duct conduit for exterior and underground installation and use with electrical, fiber optic or acoustic cables and wires; conduit for exterior and underground installation and use with cables, electrical power cables, signal cables or fiber optic cables; coupling system comprising couplings, spacers, gaskets and expansion joints for exterior and underground installation and use with electrical, acoustic or fiber optic cables; conduit termination kits comprising bells, shims, plugs and spigots for exterior and underground installation and use with electrical, acoustic or fiber optic cables; flexible conduit for underground installation and use with electrical power cables, signal cables or fiber optic cables; electrical, fiber optic or acoustic conduit fittings for exterior and underground installation and use; conduit repair kits, namely, repair kits for underground conduit, comprising replacement ducts, split ducts, couplings and fittings therefor; expansion joints for underground installation and use with electrical, fiber optic or acoustic conduit