MASTERLINE

ELECTRONIC RADIO AND TELEVISION APPARATUS-NAMELY, ELECTRIC AND ELECTRONIC OSCILLATORS, DETECTORS, AMPLIFIERS, PRE-AMPLIFIER BOOSTERS, CONVERTERS, MIXER SEPARATORS AND WEATHERPROOF AND RADIATION-PROOF HOUSINGS FOR THE SAME; POWER-SUPPLY SYSTEMS; ELECTRICAL CONNECTORS, PLUGS, CABLES, TRANSMISSION LINES, LINE AND CABLE COUPLERS, OUTLETS, TAP-OFF CONNECTORS, MOUNTING PLATES, CONTROL BOXES, ISOLATION AND OUTLET NETWORKS, LINE SPLITTERS, IMPEDANCE-MATCHING DEVICES, FILTERS, ATTENUATORS, ATTENUATION EQUALIZERS, DUPLEXERS, DIRECTIONAL COUPLERS, WAVE TRAPS, AND FILTERS