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Refrigerators and freezers; Climatic cabinets for wine; Cabinet systems for beverages, in particular beer; Air-conditioning installations; Heating and ventilating apparatus; Forced aeration systems; Air treatment systems; Air humidifying systems, in particular for vehicles and flying machines; De-icing systems; heating, ventilation and air conditioning [HVAC] for railway rolling stock, including the associated energy supply; Steam heating devices for rail vehicles, and parts and accessories therefor, including steam heating couplings and steam pressure valves; Heat energy recovery systems, in particular systems for utilising waste heat; Pressure protection equipment for high-speed trains; Turbines for air-conditioning apparatus and for air-conditioning based on cold air vacuum processes for use in rail vehicles; Toilet systems for vehicles, in particular rail vehicles; Integrated air management systems, air conditioning systems, cabin pressure systems; Bleed air systems for propulsion mechanisms; Components for air management systems, including turbomachines, heat exchangers, water separators, temperature/pressure control valves and throughput control valves, ram air valve drives; Water purification installations; Lighting; Electric torches