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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.
silos made of metal
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7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
machines and mechanical apparatus and installations assembled from these used in the chemical, alumina, plastics and food industry, namely, mixing machines, grinding machines, kneading and granulating machines, centrifugal machines for [ grinding and ] separating, transporting machines, namely, rotary valves, belt conveyors, chain conveyors, hydraulic conveyors and pneumatic conveyors; material processing plants and processing plants for handling bulk materials of chemicals, alumina, plastics and food comprised of conveyors for mechanical, pneumatic and hydraulic transportation of these bulk materials, mixing machines, discharging machines for discharging these bulk materials from containers, filters for plant processing machines, distributing devices, namely, machines for sorting these bulk materials and diverter valves, compressors for machines; pumps, namely, gear pumps, pneumatic pumps and hydraulic pumps
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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.
dosing apparatus, namely, machines for dispensing pre-determined dosages of bulk materials of chemicals, alumina, plastics and food; level meters for bulk materials of chemicals, alumina, plastics and food; weighing devices, namely, scales; electric controls, namely, electronic control systems for machines
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
dust separators made of metal; filters, namely, air filters for heating, cooling and drying apparatus; heating, cooling, drying and ventilating apparatus for processing bulk materials of chemicals, alumina, plastics and food, namely, tubular heat exchangers for heating and cooling these bulk materials and dryers for the removal of liquid and vapor from these bulk materials; slide valves for evaporators
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37
Building construction; repair; installation services
installation services pertaining to [ the building and ] repair of thermal and mechanical processing machines; installation and maintenance of plants for processing bulk materials of chemicals, alumina, plastics and food
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42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
engineering services; technical project engineering and concept development of machines and installations for the chemical, thermal and mechanical process technology; engineering services for the construction of plants for processing bulk materials of chemicals, alumina, plastics and food