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Helicopter blade aerofoil
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Patent number 6,164,918
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Issue date Dec 26, 2000
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Advanced Technology Institute of Commuter-Helicopter, Ltd.
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Makoto Aoki
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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Helicopter blade aerofoil
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Patent number 5,961,290
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Issue date Oct 5, 1999
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Advanced Technology Institute Of Commuter-Helicopter, LTD.
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Makoto Aoki
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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helicopter blade aerofoil
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Patent number 5,957,662
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Issue date Sep 28, 1999
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Advanced Technology Institute of Commuter-Helicopter, Ltd.
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Makoto Aoki
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B64 - AIRCRAFT AVIATION COSMONAUTICS