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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 and other bins made of metal; metal pipes
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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.
conveyors for powdered and granulated bulk materials-namely, vacuum-type, rotating screw or belt-type conveyors; mixing machines for the mixing and homogenizing of granulated or powdered materials; extracting machines for the extraction of test samples of granulated or powdered materials stored in silos or bins; valves-namely, slide valves, flap valves, diverter valves, and rotary valves and air filters forming part of the aforesaid machinery; pumps and blowers for the pressure-conveying of granulated, powdered and fluid materials through pipes, tubes and hoses; air compressors; mechanical dust collectors
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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 units; level indicators; weighing units, consisting essentially of auxiliary equipment for conveyors; electric control systems for conveyors ]
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
[ combination heating, cooling and drying units for use in the mixing and homogenizing of grains; electric ventilating fans ]
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17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
[ silos made of plastic; plastic pipes, hoses, flange connections and couplings for the conveying of granulated, powdered and fluid materials under pressure ]
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19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.
[ silos made of plastic ]
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20
Furniture, mirrors, picture frames; goods (not included in other classes) of wood, cork, reed, cane, wicker, horn, bone, ivory, whalebone, shell, amber, mother-of-pearl, meerschaum and substitutes for all these materials, or of plastics
[ bins made of plastic ]
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21
Household or kitchen utensils and containers; combs and sponges; brushes (except paint brushes); brush-making materials; articles for cleaning purposes; steelwool; unworked or semi-worked glass (except glass used in building); glassware, porcelain and earthenware not included in other classes.
[ glass pipes for the purpose of viewing the condition of bulk material during its transport, treatment and storage ]