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Patents > Filing date: 1913 & Publication date: 1910 - 1919 & Number of diagram pages: 3-20000000

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airplane (17) · stability (10) · automatic stability (7) · Frame (5) · design (5) · military (4) · Construction (4) · propellers (4) · control (4) · sustentation (4) · wings (4) · hybrid (3) · projectile (3) · ascension (3) · aerodynamics (3) · hydroplane (3) · Hydroaeroplane (3)
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