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Patents > Tech fields : Airship or balloon & Supplementary to patent : Patent US-1909-970771 or None & Number of figures: None

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None (177) · Comte Antoine Apraxine (4) · Leonardo Torres Quevedo (3) · Frederick William Zimer (2) · Eugen-Freudenreich Falconnet (2) · Robert Cooke Sayer (2) · Gignoux (2) · Carl Wolfgang Petersen (2) · Alfred Julius Boult (2) · Johann Schütte (2) · Max Lochner (2) · Cassius Montezuma Richmond (2)
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None (262) · Armengaud jeune (7) · Desnos (5) · Bardin (2) · Léopold D’Aubreville (2) · Édouard Baral (2) · Thirion (2) · Chassevent (2) · Jules Mathieu (2) · Albert Cahen (2) · Alfred Julius Boult (2) · Armengaud aîné (2)
National tech categories:
None (141) · FR 6.3 (52) · FR 5 (38) · GB 4 with buoyant (9) · FR 6.4 (7) · GB 4 aërostats (6) · DE 77 (6) · DE 77h.4 (5) · DE 77h.3 (4) · FR 6 (4) · BE K (3) · GB 4 parachutes (3) · USPC 244/29 (3) · GB 4 propel & steer (3) · USPC 244/25 (3)
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