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Patents > IPCs: None & Number of text pages: 8 & Number of figures: 14-40

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stability (7) · airplane (4) · navigation (4) · LTA (4) · frame (3) · propulsion (3) · hybrid (3) · None (2) · windmill (2) · Whole (2) · takeoff (2) · marine (2) · hydroaeroplane (2) · wings (2)
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