Aerometers; accumulators, electric; accumulators, electric, for vehicles; grids for batteries; chargers for electric batteries; plates for batteries; acidimeters for batteries; battery jars; battery boxes; acoustic couplers; alarms, namely, sound alarms, theft alarms, electric alarm bells and alarm whistles; alcoholmeters; signaling devices, namely, traffic-light apparatus; ammeters; gas analyst equipment and air analyst equipment for fire detection purposes; smoke detectors; anemometers; ano...