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, pipes and tubes of metal, safes, wall plugs of metal, goods of common metal not included in other classes
17
Plastics in extruded form for use in manufacture (foils, boards, rods, sections of cable ducts), packing, stopping and insulating materials, insulating paints, flexible pipes, not of metal, tubes, not of metal, single channel and multi-channel elements, not of metal, in particular for the mechanical protection of urban cabling, telecommunications backbone networks, energy networks and other technical infrastructures and connecting elements therefor, anti-pollution barriers, rubber, gutta-percha, gum, asbestos, mica and goods made from these materials
19
Building materials (non-metallic), Non-metallic rigid pipes for building, Non-metallic transportable buildings, Veneered wood core plywood, Glass bricks, Tiles of glass, Tiles, Paving tiles, Natural and artificial stone, Cement, Lime, Mortar for building, Plaster, Gravel, Building materials for road construction, Asphalt, pitchand bitumen
37
Construction and repair services, painting, plumbing, heating and roofing services, rental of construction machinery, tools and construction materials, servicing, maintenance and construction relating to ducting for technical networks
42
Inspection of structural designs, inspection services relating to ducting for technical networks