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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 manually operated ball valves for use with nylon or polyurethane tubes; fittings, coupling and connectors made of metal for use with nylon, polyurethane tubing and with heat and chemical resistant tubing used for liquid chemical transport and electrical insulation
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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 tubing and shielding for electrical wire and cable; nylon and polyurethane piping tubing for use with robotic, pneumatic or hydraulic tools, precision instruments, and machine tools; non metal tubing coupling and connectors for use with plastic spot welding equipment; tubing for precision instruments, machine tools, industrial robots and automation-labor saving systems; rubber clack speed controller valves to control flow rate for machine tools, robotic, hydraulic, and pneumatic tools and precision instruments; plastic heat and chemical resistant tubing used for liquid chemical transport and electrical insulation
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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
plastic manually operated ball valves for use with nylon or polyurethane tubes; non-metal fittings, coupling, and connectors for use with nylon, polyurethane tubing and with heat and chemical resistant tubing used for liquid chemical transport and electrical insulation