9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
electrical resistance heating wires and electrical controllers therefor; mineral insulated electric cables; electromechanical controls for use in heating and power control installations; thermostats; temperature sensors; power controllers
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
electric heating units and electric heaters, namely, strip heaters, over the side heaters, flange heaters, ring heaters, flexible heaters, band heaters, nozzle heaters, cartridge heaters, screwplug heaters, tubular heaters, radiant heaters, industrial air heaters, boilers for heating installations and steam generators, circulation heaters, fluid superheaters principally for industrial purposes, fluid pre-heaters principally for industrial purposes, tank heaters, liquid heaters, immersion heaters, and electric heating elements, electrical heat trace cables, electrical heat trace tape