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Patents > Filing date: 1910 & Number of text pages: 6-10 & Number of claims: 7-20

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Edmund Sparmann (4) · James Shand Stephens (2) · John Thomas Simpson (2) · Walter Hermann von Mach (2)
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airplane (20) · stability (17) · frame (7) · automatic stability (6) · navigation (6) · gyroscope (6) · whole (5) · propeller (5) · LTA (5) · None (4) · control (4) · safety (4) · wings (4) · cardan (4)
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