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ELECTRIC MOTORS; AUDIO AND VISUAL SIGNAL INTERCOMMUNICATION SYSTEMS FOR HOSPITALS-NAMELY, ANNIUNCIATOR SYSTEMS FOR HOSPITAL PERSONNEL AND ELECTRONIC VISUAL DISPLAY SYSTEMS FOR INDICATING THE STATUS OF HOSPITAL ROOMS [ ; MICROWAVE COMPONENTS-NAMELY, CIRCULATORS AND ISOLATORS; ELECTRONIC COMMAND SYSTEMS FOR MANNED SPACE CRAFTS-NAMELY, CONVERTERS FOR TRANSLATING GROUND PUSHBUTTON COMMANDS TO DIGITAL SIGNALS FOR TRANSMISSION TO AIRBORNE SPACE CRAFTS ]

INDICATING APPARATUS FOR VEHICLES-NAMELY, TACHOMETERS, HOURMETERS, COMBINATION HOURMETERS AND TACHOMETERS, COMBINATION SPEEDOMETERS AND TACHOMETERS [ ; ELECTRONIC MONITORING AND CONTROL GROUND SUPPORT EQUIPMENT FOR AEROSPACE COMMAND GUIDANCE SYSTEMS; SPACEBORNE ELECTRONIC NAVIGATION SYSTEMS; AND ELECTRICAL TESTING EQUIPMENT-NAMELY, BINARY SIGNAL GENERATORS FOR GROUND AND AIRBORNE SPACECRAFT COMMUNICATIONS AND COMMAND SYSTEMS ]