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Patents > National tech categories: DE 77 & Number of diagram pages: 1 & Number of figures: 5-13

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Ernst Georg August Baumgarten (4) · Rudolf Chillingworth (2) · Federico Capone (2) · Richard Czygan (2)
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LTA (24) · propulsion (14) · navigation (11) · car (7) · balloon (7) · frame (6) · propeller (5) · ornithopter (5) · stability (4) · dirigible (4) · None (4) · airship (3) · marine (3) · kite (3) · steering (3) · captive (2) · flapping (2) · piloting (2) · control (2) · design (2)
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