EQUIPMENT FOR TEST MEASURING TRUCKS, NAMELY HIGH VOLTAGE GENERATORS

MEASURING AND TESTING INSTRUMENTS, NAMELY FOR TESTING CABLES AND CABLE INSTALLATIONS; ELECTRIC PHASE ANGLE MEASURING APPARATUS; CABLE DEFECT PRELIMINARY DETECTORS; CURRENT GENERATING UNITS, INCLUDING CURRENT GENERATORS; PROBE COILS FOR DETECTING VOLTAGE DIFFERENCES; ELECTRIC CHANNEL FILTERS; HIGH-VOLTAGE IMPULSE GENERATORS FOR DETECTING CABLE FAULTS; BANKS OF CAPACITORS; DISCHARGERS AS COMPONENTS OF INSTRUMENTS TO MEASURE VOLTAGE DIFFERENCES; AUDIO FREQUENCY GENERATORS; EMITTERS AND RECEIVERS FOR CABLE DETECTORS; ELECTRIC MEASURING INSTRUMENTS FOR USE IN UNDERGROUND MINING, NAMELY ELECTRIC SIGNAL GENERATORS, INSTRUMENTS FOR MEASURING THE ATMOSPHERIC OR GAS PRESSURE, APPARATUS FOR INDICATING DISTURBANCES CREATED IN PRESSURE AND TEMPERATURE AS THE RESULT OF THE FAILURE OF ELECTRICAL OR PRESSURE EQUIPMENT OR LINES, AND MONITORS FOR SUCH ELECTRICAL OR PRESSURE EQUIPMENT; TRUCK-MOUNTED TEST UNITS FOR MEASURING PRESSURE DISTURBANCES IN WATER LINES; ENVIRONMENTAL PROTECTION FLOW MEASURING INSTRUMENTS, NAMELY TRANSDUCERS; ELECTRIC MEASURING AND RECORDING INSTRUMENTS, NAMELY FLOW AND PRESSURE METERS; POWER SUPPLIES; ELECTRICAL APPARATUS FOR SELECTIVELY COMMUTATING INDIVIDUAL MEASURING RANGES AND SIMULTANEOUSLY DETECTING AND MEASURING DATA; MOBILE AND PORTABLE MEASURING INSTRUMENTS FOR THE EXACT DETERMINATION OF PIPE DEFECTS; GAS LEAK INDICATORS; WATER LEAK INDICATORS; DETECTORS TO LOCATE SLIDE VALVES AND SLIDE VALVE RODS IN PIPES CARRYING LIQUIDS; INSTRUMENTS FOR MEASURING AND DETECTING FAULTY ELECTRICAL INSULATION; ELECTRIC DETECTORS FOR FINDING METALLIC AND PLASTIC LINES; ELECTRIC LEAK INDICATORS FOR THE DETECTION OF PIPE FRACTURES; DETECTORS FOR THE LACATION OF SLIDE VALVE CAPS IN LIQUID-CARRYING PIPES; PRESSURE MEASURING APPARATUS FOR MEASURING THE WORKING PRESSURE IN WATER CONDUITS; PARTS OF THE AFOREGOING

CONDUCTING OF SEMINARS ON THE DETECTION AND LOCATION OF CABLES AND WATER CONDUITS, TESTING OF CABLES AND CABLE SYSTEMS AND DETECTION OF CABLE DEFECTS