Pipes, pipe registers and pipework of metal, steel, steel alloys, non-ferrous metals, metal alloys and combinations of the aforesaid materials, in particular ribbed pipes, heat exchange pipes, cooler pipes, oil cooler pipes, condenser tubes, restrictor tubes, coiled pipes, pipes for manometer coils, for metal hoses and coiled bodies, double pipes, gas manifolds, steam tubes, liquid pipes and water pipes, and fuel pipes, lubrication pipes and coolant pipes and fuel pipes; lubrication lines and coolant lines; bare and insulated non-electric conduit pipes of metal, in particular of copper and copper alloys, and in particular for transporting heated or cooled media; including all the aforesaid goods being for use in building technology, heating technology, cooling technology, air conditioning technology and sanitary technology

Heat exchangers, other than parts of machines, in particular surface heat exchangers, and component parts thereof