73069059
Nov 14, 1975
Jun 29, 1976
ELECTRICAL COMMUNICATION SYSTEMS-NAMELY, RESONANT REED ELECTRICAL COMPONENTS AND ASSOCIATED ELECTRICAL CIRCUITS, TONE MODULES, SUPERVISORY MODULE PANELS, TELEMETRY SYSTEMS, ENCODERS, DECODERS, AUTOMATIC TELEPHONE ANSWERING SYSTEMS, DIAL PULSE CONVERTERS, MONITORING SYSTEMS, SELECTIVE CALL EQUIPMENT, AUTOMATIC TELEPHONE CONNECTING EQUIPMENT, POWER SUPPLIES, TRANSMITTERS, RECEIVERS, AND PARTS THEREFOR
Electrical and Scientific Apparatus