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Device for influencing buoyant substances located on the surface of water
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Method for utilising the tidal lifting for energy generation and power station for carrying out the method
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Flying object having a drive device
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Water-craft
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Hydrofoil boat, consisting of a hull with planing elements
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Jet drive
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Surface vessel with jet propulsion
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Submarine with rudder and hydroplane
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Jet propulsion
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Jet propulsion
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Device for influencing floatable substances on the surface of stretches of water
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