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HU1200513A2
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Wind turbine-heat engine hybrid powerplant
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HU1200069A2
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Wind motor with three axis
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HU1100070A2
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Shell and tube heat exchanger
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HU1000652D0
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Method for distillation of gas mixture
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HU1000517D0
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Active thermal insulation system
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HU1000518D0
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Wind motors with vertical axis
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HU0900351D0
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Method for disposal of communal waste, organic waste and mud, with deprivation of its water-content
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HU0800728D0
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Method and arrangement for increasing the efficiency of piston engines
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HU0800258D0
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Heat engine driven by external heat
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HU0800041D0
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Low-heat energy steam-engine
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HU0700844D0
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Heat energy operated heat pump or motor
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HU0700698D0
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Low heat energy utilization
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HU0700493D0
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Engine
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HU0700474A2
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Enhanced efficiency stirling motor associated with heat pump
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HU0700443D0
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Stirling turbine
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HU0700341D0
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Method and apparatus for transformaton of heat loss of industrial plants into mechanical movement
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HU0700323D0
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Device for utilization of low energy level, ambient heat
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HU0700317D0
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Device for utilization of low energy level ambient heat
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HU0700289D0
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Heat pump operated by stirling motor
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HU0700081D0
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Cost-saving cooling and heating of buildings and heat insulation method cooled or heated with geothermal energy
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