SCIENTIFIC, NAUTICAL, ELECTRICAL AND ELECTRONIC, OPTICAL, WEIGHING, MEASURING, ANALYSIS, DISPLAY, SIGNALING AND CHECKING, SUPERVISION APPARATUS AS WELL AS INSTRUMENTS AND EQUIPMENT, NAMELY FLOW METERS, AMMETERS, WATER, GAS, ELECTRICITY AND ENERGY METERS, VOLTMETERS, GAS, LIQUID AND PHYSICAL PROPERTY ANALYZERS, SPECTROMETERS, PHOTOMETERS, LOAD CELLS, SENSORS, FLOW SENSORS, TEMPERATURE SENSORS, INTEGRATORS, METAL DETECTORS FOR INDUSTRIAL PURPOSES, ACTUATORS, CONTROL VALVES FOR REGULATING THE FL...