73726604
May 5, 1988
Apr 3, 1990
SECURITY SYSTEMS AND PARTS THEREOF, NAMELY FIRE AND SMOKE DETECTORS, INTRUSION DETECTORS, UNAUTHORIZED NOISE DETECTORS, UNAUTHORIZED MOTION DETECTORS, DOOR AND WINDOW SWITCHES, WIRE AND WIRELESS SIGNAL TRANSMISSION AND RECEPTION UNITS, AUTOMATIC DIALERS FOR ALARM SENDING, CONTROL PANELS, ANNUNCIATORS, EMERGENCY LIGHTING, POWER FAILURE DETECTORS AND PARTS THEREOF
Electrical and Scientific Apparatus