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Air-conditioning installations; Electric air conditioners; Central air conditioning installations; Portable air conditioners; Valves for air conditioners; Air conditioners for vehicles; Air filters for air conditioning units; Evaporators for air conditioners; Air conditioning installations for cars; Air conditioning installations for household purposes; Axial fans for air-conditioning; Vent covers [parts of air conditioning installations]; Impellers [parts of air conditioning apparatus]; HVAC systems (heating, ventilation and air conditioning); Vehicle HVAC systems (heating, ventilation and air conditioning); Domestic air conditioning installations; Air conditioning apparatus for commercial use; Air conditioning installations for industrial purposes; Air conditioning installations for agricultural use; Window-mounting air-conditioners [for industrial purposes]; Locally induced air-conditioners [for industrial purposes]; Motorised fans for air conditioning; Fans [parts of air-conditioning installations]; Central air conditioning installations for household purposes; Central air-conditioning installations [for industrial purposes]; Burners, boilers and heaters; Cooking, heating, cooling and preservation equipment, for food and beverages; Heating, ventilating, and air conditioning and purification equipment (ambient); Refrigerating and freezing equipment; Personal heating and drying implements; Drying installations; Sanitary installations, water supply and sanitation equipment; Regulating and safety accessories for water and gas installations; Filters for industrial and household use; Lighting fixtures for commercial use; Lighting fixtures for household use; Luminaires; Lamps; Heating apparatus; Furnace boilers; Heating frames; Heating installations; Heating armatures; Radiators; Heating elements; Gas operated apparatus for heating; Gas fired heating installations; Industrial heating installations; Fixed heating burners; Heating apparatus, electric; Solar thermal collectors [heating]; Water distributor armatures for heating; Hot water heaters; Skin effect heating; Flues for heating apparatus; Flues for heating boilers; Boiler pipes [tubes] for heating installations; Residential heating units; Boilers for use in heating systems; Filters for use with apparatus heating; Heating installations for fluids; Burners for heating installations; Heaters for vehicles; Heating apparatus and installations; Combined heating and air conditioning apparatus; Industrial heating apparatus; Closed circuit heating installations; Heating installations for industrial use; Catalytic combustion heating apparatus; Thermostatic valves [parts of heating installations]; Control devices [thermostatic valves] for heating installations; Control units [thermostatic valves] for heating installations; Solar energy powered heating installations; Thermal storage instruments [solar energy] for heating; Valves as part of radiators; Coils being parts of heating installations; Heating installations incorporated in windows; Heating installations incorporated in glass; Heat regulating devices [valves] being parts of heating installations; Heating installations for use with gaseous fuels; Coils [parts of distilling, heating or cooling installations]; Pipes [parts of sanitary installations]; Regulating accessories for gas pipes and lines; Refrigerant condensers; Refrigerating machines; Refrigerating installations; Elbow bends (plastic -) for pipes [parts of sanitary installations]; Flexible pipes being parts of shower plumbing installations; Cast iron parts for pipes [parts of sanitary installations]; Flexible pipes being parts of bath plumbing installations; Flexible pipes being parts of sink plumbing installations; Coils being parts of distilling installations; Coils being parts of cooling installations; Tubular heating elements