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Patents > Applicant firm: None & Grant date: 1905 & Number of diagram pages: 1

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Gustav Knäpper (3) · Alphonse Papin (2) · Henri Dufaux (2) · Stefan Hunyor de Visoly (2) · André Gambin (2) · Armand Dufaux (2) · Athanassios Marinakis (2)
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Gustav Knäpper (3) · None (2) · Armand Dufaux (2) · Athanassios Marinakis (2) · Henri Dufaux (2) · Alphonse Papin (2)
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propulsion (19) · propellers (8) · airplane (6) · propeller (6) · frame (6) · design (5) · Aerodynamics (4) · lift (4) · marine (4) · None (3) · construction (3) · helicopter (3) · flapping (3) · LTA (3) · steering (3) · wings (3) · ascension (3)
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