Description: Class 6: Steel tubes; tubes of metal; elbows of metal for pipes; pipe muffs of metal; junctions of metal for pipes; branching pipes of metal; drain pipes of metal; collars of metal for fastening pipes; clips of metal for cables and pipes; small items of metal hardware, namely, metal fittings for compressed air lines, metal pipe connectors, metal pipe couplings, spacer brackets of metal, metal clamps, metal pipe joints, and metal threaded fasteners for use in compressed air, vacuum and neutral gas distribution systems; metal tubes and metal pipes and metal hardware components in the nature of metal fittings for pipes for use in constructing industrial fluid distribution networks and pneumatic systems; containers of metal for storage and transport
Class 17: Canvas hose pipes; flexible hoses, not of metal; hoses of textile material; pipe muffs, not of metal; junctions, not of metal, for pipes; nonmetallic fittings for flexible pipes; fittings, not of metal, for rigid pipes; plastics in extruded form for use in manufacture
Class 20: Clips, not of metal, for cables and pipes; collars, not of metal, for fastening pipes; drain traps being valves of plastic, namely, valves of plastic for drain traps, other than parts of machines; winding spools, not of metal, non-mechanical, for flexible hoses; reels, not of metal, non-mechanical, for flexible hoses; containers, not of metal for storage and transport, namely, Nonmetal and non-paper containers for storage or transport
