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Patents > Office: DE & Filing date: 1907

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None (15) · Karl Ludwig Waldemar Geest (2) · Robert Strehlau (2) · Robert Esnault-Pelterie (2)
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LTA (16) · None (12) · propulsion (10) · suspension (6) · propeller (6) · car (5) · navigation (5) · Frame (5) · wings (5) · balloon (5) · flapping (4) · airship (4) · airplane (3) · control (3) · dirigible (3) · nacelle (3) · flying machine (3) · subsystem (3)
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