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AU9194798A
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Method and arrangement for converting kinetic energy of ocean currents into rotatory energy
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SE9003477D0
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Method of using cavities in the earth's crust for supplying energy by means of what is known as a pumping power station
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SE8904164D0
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Method of using a jet pump for extracting minerals from sea water by means of wave energy
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SE8901615D0
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Energy supply method - uses hollow formation beneath earth crust and at least some part beneath sea or lake surface
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SE8603675D0
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Method for chimney cross-section redn.
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SE8500145D0
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Energy supply using chamber beneath sea bed
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