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Patents > Grant date: 1903 & IPCs: None & Number of diagram pages: 1

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August Riedinger (2) · Georg Wellner (2) · Augusto Severo (2) · Emil Lehmann (2) · Carey Alan Manker (2)
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LTA (14) · frame (7) · propellers (7) · design (7) · balloon (6) · propulsion (6) · navigation (6) · whole (5) · aerodynamics (5) · Propeller (4) · airplane (4) · hybrid (4) · construction (4) · dirigible (4) · flapping (3) · helicopter (3) · None (3) · car (3) · airship (3) · subsystem (3)
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