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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.
flexible pipes, not of metal; non-metal pipe collars; non-metal pipe couplings and joints; non-metal seals for joining and terminating pipes; non-metal tubing and tubing couplings for joining and terminating pipes; pipe gaskets; pipe jackets, not of metal for non-metal pipes; extruded plastic in the form of tubes for use in manufacturing; plastic tubes for industrial applications; plumbing pipes of plastic; flexible pipes, pipe couplings, pipe parts, namely, gaskets and collars; pipe systems comprised of non-metal flexible pipes for conveying fluids and electronics; and spools for non-metal flexible pipes; tubes; tube-fittings; tube systems comprised of non-metal tubes for conveying fluids and electronics; non-metallic manufacturing goods, namely, non-metal flexible pipes, tubes, pipe couplings; pipe parts, namely, gaskets and collars; pipe systems comprised of non-metal flexible pipes for conveying fluids and electronics; and spools for non-metal flexible pipes for industrial applications; all of the aforementioned made of fiberglass, plastic, polyvinyl chloride (pvc), and polyethylene, used for industrial applications
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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.
rigid pipes not of metal; non-metallic rigid pipes made of concrete
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40
Treatment of materials
custom manufacture of pipes, pipe-fittings, pipe couplings, pipe parts, pipe systems, and spools for pipes made of fiberglass, plastic, polyvinyl chloride (pvc), polyethylene, and concrete to the order and specification of others; custom manufacture of tanks, tank-fittings, and tank systems made of fiberglass, plastic, pvc, polyethylene, and concrete to the order and specification of others; custom manufacture of tubes, tube-fittings, and tube systems made of fiberglass, plastic, pvc, polyethylene, and concrete to the order and specification of others; custom manufacture of non-metallic goods, namely pipes, tanks, tubes, fittings, couplings, pipe parts, pipe systems, and spools for pipes made of fiberglass, plastic, pvc, polyethylene, and concrete to the order and specification of others; custom manufacture of non-metallic-reinforced goods, namely pipes, tanks, tubes, fittings, couplings, pipe parts, pipe systems, and spools for pipes made of fiberglass, plastic, pvc, polyethylene, and concrete to the order and specification of others used for industrial applications
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42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
design for others pipes, pipe-fittings, pipe couplings, pipe parts, pipe systems, and spools for pipes made of fiberglass, plastic,polyvinyl chloride (pvc), polyethylene, and concrete; design for others tanks, tank-fittings, and tank systems made of fiberglass, plastic, pvc, polyethylene, and concrete; design for others tubes, tube-fittings, and tube systems made of fiberglass, plastic, pvc, polyethylene, and concrete; design for others non-metallic goods, namely pipes, tanks, tubes, fittings, couplings, pipe parts, pipe systems, and spools for pipes made of fiberglass, plastic, pvc, polyethylene, and concrete; design for others non-metallic-reinforced goods, namely pipes, tanks, tubes, fittings, couplings, pipe parts, pipe systems, and spools for pipes made of fiberglass, plastic, pvc, polyethylene, and concrete used for industrial applications