Common metals and their alloys, namely, non-ferrous metals and their alloys; Metal products, In class 6,Namely of non-ferrous metal, in particular semi-finished goods of copper or copper alloys, in the form of bands, Metallic sheet,Bending parts and stampings, Strips, Profiles, Wires, Poles,Blanks, in particular pipes, pipe connectors and fittings of copper or copper alloys, for transporting liquid, gaseous and/or vaporous media for use in heating, refrigerating and sanitary systems, including collector pipes, pipe meanders, coiled pipes, wound pipes, coaxial pipes, seamless drawn and welded pipes, pipe sections, internally ribbed and/or externally ribbed pipes, pipe elbows, heat exchangers.;