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ELECTRONIC SECURITY DEVICES-NAMELY, EXIT ALARMS, MULTIPLE INPUT ELECTRONIC ALARMS DEVICE, ELECTRONIC TRANSMITTERS, ELECTRONIC PATCH BOARDS, ELECTRONIC CIRCUITRY FOR SECURITY DEVICES, BREAKING GLASS SENSORS, ALARM CONTROL PANELS, ACCESS CONTROL DEVICES, ANNUNCIATORS, ELECTRONIC PRINTERS, MONITORS FOR ALARM SIGNAL LINES, ELECTRONIC COMMUNICATING DEVICES