Common metals and their alloys; semi-finished products of common metals and their alloys; coated aluminium tubes and sheets; aluminum tubing for use in heating, air-conditioning, ventilating and cooling systems; aluminum ventilating ducts; aluminum tubes and sheets used in heating and cooling systems for industrial purposes and in vehicles, except for land vehicles, pipe couplings used in heating installations for industrial purposes and in vehicles, except for land vehicles, pipe couplings used in ventilating, cooling and air- conditioning installations for industrial purposes and for vehicles, except for land vehicles; aluminum tubing used in heating, air-conditioning, ventilating and cooling systems; aluminum tubes and sheets used in heating and cooling systems, pipe couplings used in heating installations, ventilating installations, cooling installations and air-conditioning systems; aluminum tubing used in heating, ventilating, air-conditioning and cooling systems.;
Heat exchangers [parts of machines]; aluminum machine couplings used in heating and cooling systems for industrial purposes and in vehicles, except for land vehicles; aluminum machine couplings used in heating and cooling systems, ventilating installations and air-conditioning systems.;
Heat exchangers for chemical processing; heat exchangers, other than parts of machines; apparatus and installations for heating, ventilating, air- conditioning and cooling; industrial and vehicular heating, ventilating, air-conditioning and cooling equipment; industrial and vehicular heating, ventilating, air-conditioning and cooling equipment.;