17
Pipe joint compound; Pipe sealing compositions; Junctions, not of metal, for flexible pipes; Glands for pipes; Joint connectors (Non-metallic -) for pipes; Inflatable articles for sealing pipes to allow cutting; Inflatable articles for sealing pipes to allow welding; Pipe linings (Non-metallic -); Pipe linings (Non-metallic -) for sealing pipes; Chemical compositions for lining pipes to repair leaks; Seals (Non-metallic -) for gas pipes; Seals (Non-metallic -) for pipes; Pipe joint tape; Non-metallic couplings for pipes; Flexible plastic conduits for plumbing use; Flexible pipes, tubes, hoses and fittings therefor (including valves), and fittings for rigid pipes, all non-metallic; Pipe gaskets; Rubber tubes and pipes; Casings of rubber for tubes; Pipe insulation; Insulation for underground pipes and tanks; Non-metallic underground tubing; Insulation jackets for industrial pipes; Identification sleeves of rubber for tubes; Identification sleeves of plastics for tubes; Plastics in the form of sheets, films, blocks, rods and tubes; Non-metallic couplings for rigid pipes; Non-metallic couplings for pipes; Non-metallic couplings for tubes; Non-metallic couplings for tubes; Non-metallic insulated pipes; Non-metallic insulated pipes; Fittings [non-metallic] for flexible pipes; Non-metallic couplings for tubes; Pipe fittings [junctions] (non-metallic -) parts of rigid water pipes; Flexible tubes, not of metal; Pipes made of plastic for motor vehicles; Non-metal fittings for flexible compressed air pipes; Pipe connections (non-metallic -) [parts of rigid water pipes]; Pipe connections (non-metallic -) [parts of rigid water pipes]; Pipe extensions (non-metallic -) [parts of rigid water pipes]; Pipe wrappings of rubber for protective purposes; Insulations of synthetic material for the thermic protection of pipes; Pipe wrappings for insulation purposes; Casings of synthetic rubber for tubes; Non-metallic couplings for pipes; Non-metallic coupling sleeves for tubes; Fittings, not of metal, for flexible pipes; Non-metallic couplings for pipes; Non-metallic couplings for tubes; Glands for pipes; Non-metallic couplings for pipes; Articles of rubber for use in connecting pipes; Non-metal elbows for rigid pipes
19
Gutter pipes, not of metal; Drains [other than of metal or plastic]; Discharge pipes (Non-metallic -) for building installations; Ceramic drain pipes; Sewer pipes (Non-metallic -); Branching pipes, not of metal; Concrete pipes; Drain pipes, not of metal; Penstock pipes, not of metal; Downspouts, not of metal; Fire resistant collars (Non-metallic -) for pipes; Rigid underdrainage pipes, not of metal; Rigid pipes, not of metal; Rigid pipes and valves therefor, non-metallic; Non-metal heating ducts; Wooden pipes; Insulated pipes (Non-metallic -) for water; Ducts made of plastics for trunking pipes for gases; Drain pipes, not of metal; Drain traps [valves], not of metal or plastic; Plastic pipes for plumbing purposes; Non-metal ducts, not for electrical circuitry; Non-metallic air pipes for buildings; Non-metallic pipes for roof drainage installations; Non-metallic rigid pipes for building; Sandstone tubes; Pipes of earthenware; Earthenware and cement tubes; Pipes made of cement; Pipes made of cement for use in building; Cement mortar pipes; Rigid pipes, not of metal [building]; Non-metal air conditioning ducts; Clay pipes and conduits; Rigid pipes of plastics [other than parts of sanitary installations]; Pre-insulated bonded pipes (Non-metallic -) for building