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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
corrosion resistant structural articles lined with plastic material-namely, ducts, troughs, and pipes for removing fumes and smoke and for ventilation and conveying filter waste and other materials, and protective coverings and housings designed specifically therefor
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16
Paper, cardboard and goods made from these materials, not included in other classes; printed matter; bookbinding material; photographs; stationery; adhesives for stationery or household purposes; artists' materials; paint brushes; typewriters and office requisites (except furniture); instructional and teaching material (except apparatus); plastic materials for packaging (not included in other classes); printers' type; printing blocks.
application news bulletins and pamphlets related to corrosion resistant fabricated or coated structural articles such as tanks, ducts, pipes and the like
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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.
resin lined, fiberglass pipe
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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
resin lined, fiberglass tanks for processing, storing and transporting water, liquids, chemicals, and liquid fuels