TEMPERATURE RESPONSE ELECTRICALLY ACTUATED FIRE AND SMOKE DETECTORS, ALARMS AND EXTINGUISHERS; SMOKE RESPONSIVE ELECTRICALLY ACTUATED FIRE AND SMOKE DETECTORS, ALARMS AND EXTINGUISHERS

TEMPERATURE CONTROLLED ELECTRICALLY ACTUATED FIRE EDTECTING AND FIRE ALARM APPARATUS OF BOTH FIXED TEMPERATURE AND TEMPERATURE RATE-OF-RISE TYPES RESPONSIVE TO THE PRESENCE OF A FIRE IN AN AREA TO BEPROTECTED