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SCIENTIFIC, NAUTICAL, SURVEYING, ELECTRICAL, WEIGHING, MEASURING, SIGNALING, REGULATING AND INSPECTION DEVICES AND INSTRUMENTS, NAMELY, DISTANCE DETECTORS FOR DETECTING MOVING OBJECTS; CHEMICAL DETECTORS FOR DETECTING AND ANALYZING CHEMICAL CONTAINMENTS AND TOXIC SUBSTANCES PRESENT IN THE AIR, IN LIQUIDS, IN GASES, IN VAPORS, ON SURFACES, AN IN OTHER ENVIRONMENTS; BACTERIOLOGICAL DETECTORS FOR DETECTING AND ANALYZING BACTERIAL CONTAINMENTS AND TOXINS PRESENT IN THE AIR, IN LIQUIDS, IN GASES, IN VAPORS, ON SURFACES, AND IN OTHER ENVIRONMENTS; SENSORS, NAMELY, FLAME SPECTROPHOTOMETERS; FLOWMETERS FOR MEASURING AND CONTROLLING THE FLOW OF LIQUIDS AND GASES; APPARATI AND DEVICES FOR THE SAMPLING OF SUBSTANCES BY ABSORBTION OF CHEMICAL AND BACTERIOLOGICAL SUBSTANCES, IN ORDER TO CONDUCT ANALYSES; DATA PROCESSORS AND COMPUTERS; COMPUTER SOFTWARE, NAMELY, COMPUTER SOFTWARE PROGRAMS FOR OPERATING DISTANCE DETECTORS, CHEMICAL DETECTORS, BACTERIOLOGICAL DETECTORS, FLAME SPECTROPHOTOMETERS, AND FLOWMETERS