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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.
chemical analysis kit for testing water
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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.
metal conduits and fittings, namely, elbows, valves, couplings, bushings, hose bibs, tees, pipe unions, manifolds, hose clamps, adapters, nipples, crimp rings, flanges, y-strainers
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
furnaces; furnace boilers; domestic and commercial wood-fueled furnaces and boilers and accessories sold therewith, namely heat exchangers, baseboard heaters, water heaters, spark arrester chimney caps, circulation pumps, fireboxes sold as a component of furnaces and boilers; and metal door latches, sold as a component of wood-fueled furnaces and boilers, heat exchangers, baseboard heaters, and water heaters
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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 conduits and fittings, namely, tubing