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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.
electronic hardware, namely, digital and electromagnetic receivers and transmitters for collecting, transmitting, receiving, analyzing, storing and presenting information on underground objects and related parameters; electronic hardware, namely, digital and electromagnetic receivers and transmitters for collecting, transmitting, receiving, analyzing, storing and presenting physical positioning data; digital and electromagnetic receivers, digital and electromagnetic transmitters and electronic digital display interfaces for collecting, transmitting, receiving, analyzing, storing and presenting information on underground objects and related parameters; electronic display interfaces; electronic navigational and positioning apparatus and instruments; downloadable software for collecting, transmitting, receiving, analyzing, storing and presenting information on underground objects and related parameters; downloadable software for collecting, transmitting, receiving, analyzing, storing and presenting physical positioning data; sensors for the determination of temperatures, positions and distances; electronic devices for locating and tracking underground objects using dipole magnetic fields