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GB9922327D0
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Thermal motive power from a heat pump
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Ram jet device
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Commutator period selection
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Generator/motor combination with high density magnetic fields
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GB8810030D0
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Thermal engine
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GB8802443D0
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Improvements in thermal engines
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GB8708338D0
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A jet propulsion unit and adaptations thereof
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Fluid jet device
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Fuel displacement or compression
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GB8623404D0
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Heat engine incorporating a rotary vane device
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A method of power generation and it's use in a propulsion device
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GB8602763D0
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Electric motors & dynamos
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GB8601349D0
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A fluid displacement or compression method
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GB8530691D0
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Electric motors & dynamos
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GB8518210D0
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Electric motors & generators
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GB8426158D0
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Jet propulsion units
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GB8413256D0
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Heat engines
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GB8408723D0
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Electric motors and generators
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|
GB8400054D0
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Improvements in or relating to electric motors and dynamos
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GB8316961D0
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Improvements in or relating to hot venturi tube or hot chamber thermal engines
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