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Patents > Filing date: November 1909 & Application number : 190925394D or None

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None (4) · Félix Michau (4) · Wilhelm Jakob Hoffmann (2) · Wilhelm Jacob Hoffmann (2) · Hermann Ruthenberg (2) · Burt Jackson Pressey (2) · Lucien Chauvière (2) · Frédéric-Charles Rossel (2) · Max Heinrich Bauer (2)
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None (17) · Félix Michau (3) · Max Heinrich Bauer (2) · Frédéric-Charles Rossel (2) · Lucien Chauvière (2)
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airplane (16) · stability (9) · None (8) · frame (6) · propulsion (5) · propeller (5) · LTA (4) · propellers (4) · flapping (4) · subsystem (3)
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