6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
heat resistant alloys of common metals, namely, aluminum, copper, lead, magnesium, nickel, tin, titanium, silicon, niobium, and zinc, in the form of wire, ribbon, strip, foil, tubing, cermets, and woven wire mesh for use with catalyzers; bi-metallic strips for converting temperature changes into mechanical displacement; common metals and alloys for further manufacturing, for example, as heating elements; non-electric cables; metal wire; metal forgings; metal tubing; metal powder; metal rods, metal bars, metal cylinders, metal sheets, metal plates, and metal blocks, all for further manufacturing; refractory bricks of metal
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 materials in the form of wire, ribbon, strip, foil, tubing, cermets, and woven wire mesh for use with catalyzers; circuits for heating; foil elements, namely, circuits for heating or electrical conduction; electric and electronic apparatus and instruments for measuring, control and supervision of toasters; electrical controllers for gas and oil burners; furnaces for laboratory experiments
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
heating elements consisting of sintered metal; apparatus for the exchange of substances and heat for use in the production of heat and steam, for use in cooking, and for use in refrigeration, and parts specifically for use with the foregoing apparatus; electrical kitchen ranges; separators for the cleaning and purification of gases; furnaces; kiln furniture