6
Building and construction materials and elements of metal; Pipes and tubes of metal; Ceilings of metal; Ducts of metal for air-conditioning installations; Parts and components for the aforesaid goods included in this class
7
Air suction machines; Suction machines for industrial purposes; Compressed air engines; Compressed air pilot valves; Air cleaners [air filters] for engines; Drives for ventilation flaps; Blowing machines for the compression, exhaustion and transport of gases; Suction pumps; Vacuum cleaner hoses; Vacuum cleaners for industrial purposes; Filters for machines; Anti-pollution devices for motors and engines; Filters for cleaning cooling air, for engines; Fans for motors and engines of machines
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; Apparatus and installations for ceiling lights; Ventilating fans and Induction fans; Installations and apparatus for regulating air flows; Apparatus and installations for air conditioning and climate control; Air treatment apparatus and installations; Air conditioning installations; Filters for fans, air-conditioning and climate control installations; Nebulization installations; Installations for cleaning and disinfecting air; Air deodorising apparatus; Apparatus for dispensing air fresheners, aromas, fragrances and preparations for fragrancing rooms; Electric fragrance dispensers; Parts and components for the aforesaid goods, included in this class
19
Non-metal building materials; Non-metallic transportable buildings; Rigid pipes, not of metal; Ducts, not of metal, for air conditioning installations; Ceiling, Including ceiling systems and climate ceilings; Ceiling panels and ceiling boards; Walls, wall panels, wallboards; Secondary panels, Sliding panels, fence panels and Folding panels, including for ceilings; Parts and components of the aforesaid goods included in this class