73050390
Apr 24, 1975
Feb 20, 1979
APPARATUS FOR THE DETECTION OF DEFECTS IN MATERIALS, INCLUDING PRINCIPALLY, MAGNETIZING PROBES, SYSTEMS FOR INDUCING AND ANALYZING VARIATIONS IN EDDY CURRENTS, PARTICLE AND RADIATION PHOTOGRAPHIC RECORDERS AND DETECTORS; RADIOMETRIC SYSTEMS, X-RAY FLUORESCENCE ANALYZERS, RADIOACTIVE TRACERS, LOCALIZATION SYSTEMS FOR ACOUSTIC EMISSION SOURCES, ULTRASONIC TRANSDUCERS, AND FOCUSED ACOUSTIC TRANSDUCERS
Electrical and Scientific ApparatusSERVICES FOR DETECTING DEFECTS IN MATERIALS AND MANUFACTURED PRODUCTS, PRINCIPALLY ELECTRICAL WIRE INSULATION, CASTINGS, PAINTINGS, WELDED JOINTS AND SEAMS, TUBES, AND PIPES, COOLING CIRCUITS, OIL AND GAS LINES, EXCHANGER AND BOILER TUBING, AND FOR DETECTING CRACKS AND LEAKS IN VESSELS AND OTHER CONTAINERS, VARNISH ON PANELS, IMPURITIES IN COPPER WIRE, POROSITY AND CLEFT OF MOLDED PIECES, ADHESION OF COATINGS, SEPARATION OF FABRIC AND ADHESIVE, VIBRATION OF ROTARY EQUIPMENT, WEAR OF TOOLS AND REFRACTORY MATERIALS, GRAIN SIZES, CORROSION, AND THE LIKE
Computer and Scientific