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Patents > Grant date: 1909 & IPCs: None & Number of figures: 9-13

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airplane (14) · Design (9) · stability (7) · propellers (7) · whole (6) · Propulsion (5) · Lift (5) · Frame (5) · Wings (4) · navigation (4) · LTA (4) · Construction (4) · hybrid (3) · None (3)
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