Ground effect vehicle has hull for allowing take-off and landing on water and propeller screw selectively moved between stowed position and working position
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Wind energy converter
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GROUND EFFECT VEHICLE
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Electric motor
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Moulding apparatus for curing plastics
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Non-return valve for pipes
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STORAGE SYSTEM WITH A CONVEYOR, IN PARTICULAR PARKING SYSTEM FOR VEHICLES
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PARKING SYSTEM
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Device for switching pumps driven by an electric motor on and off
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Device for switching on and off electromotively driven pumps
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PUMP UNIT WITH A LEVEL SWITCHING DEVICE
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Odour seal for gulleys
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Water-saving device for toilet flushing
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DEVICE FOR THE OXYGEN ENRICHMENT OF LIQUIDS
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Sewage-lifting installation
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CLEANING DEVICE
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Drainage appliance
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DEVICE FOR ODOR-FREE VENTILATION OF CLOSED LIQUID TANKS
