Air-conditioning installations, air-conditioning apparatus, ventilating installations, ventilating apparatus, aeration installations, aeration apparatus, air purifying installations, air purifying apparatus, each of the aforesaid goods for vehicles, trailers for vehicles, mobile machines and trailers for mobile machines; cooling installations, cooling apparatus, heating installations, heating apparatus, defrosting installations, defrosting apparatus, each of the aforesaid goods for vehicles, trailers for vehicles, mobile machines and trailers for mobile machines; parts and fittings for all the aforesaid goods, namely, air filters, holders for air filters, dust filters, holders for dust filters, ventilating fans, air vents, air nozzles, air outlets, valves, air valves, pressure relief valves; parts and fittings for all the aforesaid goods, namely, pipes, air ducts; parts and fittings for all the aforesaid goods, namely, grilles, lamella grilles, ventilation grilles, air grilles, covers for air vents, covers for air nozzles, covers for air outlets, rotatable grilles with movable lamellas; parts and fittings for all the aforesaid goods, included in this class