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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 utility vaults, metal acid dilution tanks, metal dual containment tanks, metal wet wells, metal maceration tanks, underground metal vaults, metal reclaim tanks, metal catch basins, and metal interception 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.
oil-water separators maceration machines
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
plumbing fittings, namely, lint interceptors, grease interceptors, sand-oil interceptors, and back flow prevention valves; flumes being components of wastewater purification units
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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.
precast concrete vaults, concrete utility vaults, underground concrete vaults, concrete wet wells, and concrete vaults for use in plumbing systems; concrete manhole pipes, stormwater interception pipes, and drainage inlets
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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
non-metal acid dilution tanks, non-metal dual containment tanks, non-metal maceration tanks, non-metal water reclaim tanks, non-metal manhole covers, non-metal catch basins, non-metal surge tanks, and bar screens