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1
Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
construction and plumbing supplies, namely, solders, fluxes, plastic pipe solvent cements, plastic pipe solvent primers and plastic pipe solvent cleaners
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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.
washing machine pans
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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.
washing machine and icemaker electrical outlet boxes and test caps for pressure testing of plastic pipe
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Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
plumbing supplies, namely, plastic lavatory and water closet risers and water heater pans, wax bowl rings; roof ventilating pipes and parts therefor, namely, roof flashings, rain collars and repair collars
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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.
plastic protectors for protecting bathtubs against damage during home construction, plumbers putty, pipe joint compound, tub and tile caulk, pipe sealant, plastic sleeves for protecting copper pipe in concrete installations and thread seal tape
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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.
plastic shower pan liners
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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.
plumbers abrasive sandcloth and open mesh cloth, fitting brushes for cleaning the outside of copper and plastic tubing, and daubers for applying plastic pipe solvent cement and primers