ARROWHEAD
PHOTOELECTRIC RADIATION DETECTION DEVICES AND SECURITY CONTROLS-NAMELY, PHOTOELECTRIC INTRUSION ALARMS, ELECTRIC SMOKE HEAT RATE-OF-RISE DETECTORS, TRANSMITTERS, RECEIVERS, RECORDERS, REMOTE CHARGEABLE STANDBY POWER SUPPLIES AND PORTABLE DEMONSTRATION KITS INCORPORATING PHOTOELECTRIC DETECTORS, ALIGNMENT LIGHT ASSEMBLIES, BATTERIES AND CARRYING CASES
Expired · December 13, 1973 · 73008788 ·