21 ELECTRIC DAMPER AND VALVE ACTUATORS; ELECTROHYDRAULIC VALVE AND DAMPER ACTUATORS; ELECTRICAL CONTACTORS; SERVO UNITS; ELECTRIC MOTOR CONTROLS; POSITION INDICATOR SWITCHES; ELECTRICAL SIGNAL AMPLIFIERS; CURRENT-TO-VOLTAGE CONVERTERS; VOLTAGE LIMITERS; ELECTRICAL REMOTE SET POINT CONTROLS; ELECTRICAL RESET CONTROLS; SIGNAL DISCRIMINATORS; TRANSFORMERS; AC AND DC POWER SUPPLIES; ELECTRIC AND SOLID STATE SWITCHES AND RELAYS; ELECTRIC AND SOLID STATE LIMIT SWITCHES AND CONTROLS; ELECTRIC OVERLOAD CONTROLS; SURVEILLANCE EQUIPMENT COMPRISING ELECTRICAL SIGNALLING BETWEEN REMOTE AREAS AND A CONTROL STATION; ELECTRONIC CONTROLLERS FOR STATIC PRESSURE AND LOAD LIMITING; ELECTRO-HYDRAULIC POWER PACKS; ELECTRIC NETWORKS FOR POSITION INDICATOR, OUT-PUT LIMITING, REVERSING, SEQUENCING, STAGING; SOLENOID VALVE OERATORS; AND PARTS AND COMPONENTS FOR ALL OF THE FOREGOING
Trademark: 72404443
