Flow power plant with a rotor carrying several wings, which is approximately radially fed to the rotor axis, and with a plurality of fixed Strömungsleitblechen, and method for operating this flow power plant
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Storage device for receiving one or more stacks of cards
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Device for lifting objects from deeper water
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Hydroelectric power station
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Small water-wheel with belt-driven generator providing near-constant remote electrical supply
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Ladders and scaffoldings based on "bamboo" products made from glass-fibre-reinforced plastic
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Marine craft drive worm - is conically shaped like meat mincer and located in static housing with large aperture for water input
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Wind vanes for wind-driven generator - are horizontally mounted and are of oval cross=section
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Sealing of leaks below water line in ship's hull - by means of inflatable cushion held in place by net
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Simple pressure relief valve for flotation bags
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Raising sunken ships and other objects
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D-Fire-fighting agent and use
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Satellite power generating source - comprises two white reflecting and two black absorbing plates fitted to rotor shaft, which revolve when contacted by light
