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Patents > Grant date: 1913 & Family year: 1911 & Number of figures: 8-50000000

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Jan Jaakson (4) · None (2) · Charles Beck Westerman (2) · George Brougham Hubert Austin (2) · Hermann Hassenbach (2)
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airplane (16) · wings (10) · stability (10) · frame (9) · design (7) · propulsion (6) · marine (6) · biplane (5) · None (5) · automatic stability (5) · aerodynamics (5) · hydrodynamics (4) · control (4) · elasticity (4) · energy (4) · whole (4) · rudder (4) · Construction (3) · propellers (3)
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