73535072
Apr 30, 1985
May 5, 1987
ELECTRICAL BURGLAR AND FIRE EQUIPMENT SOLD AS A GROUP AND INCLUDING AT LEAST A CONTROL UNIT, A BATTERY AND A TRANSFORMER, AND ALSO, OPTIONALLY, ONE OR MORE OF THE FOLLOWING, A REMOTE KEYPAD OR ARMING STATION, A COMMUNICATOR, A SPEAKER, AND ONE OR MORE SENSORS
Electrical and Scientific Apparatus