Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking, supervision, life-saving and teaching apparatus and instruments, in particular burglar alarms, gas alarms, smoke alarms, acoustic alarms, aerials, barometers, electric locks, remote control apparatus in the nature of electronic apparatus for the control of home appliances, electronic apparatus for the control of central heating and air conditioning appliances, electronic apparat...

Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking, supervision, life-saving and teaching apparatus and instruments, in particular burglar alarms, gas alarms, smoke alarms, acoustic alarms, aerials, barometers, electric locks, remote control apparatus in the nature of electronic apparatus for the control of home appliances, electronic apparatus for the control of central heating and air conditioning appliances, electronic apparat...