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Patents > Year filed: 1900 - 1909 & Year granted: 1910 & Applicant firm : Rumpler-Werke G.m.b.H. in Berlin-Johannisthal or Siemens-Schuckert Werke GmbH or None & Applicant type : INDIV or UNIV-PRO-GOV & Patent agent : Armengaud jeune or Brandon frères or J. Bonnet-Thirion or Weismann et Marx & National tech categories: FR 6.4

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airplane (19) · Design (8) · wings (7) · aerodynamics (5) · control (5) · wing warping (4) · LTA (4) · automatic stability (4) · frame (4) · stability (4) · construction (4) · lift (3) · biplane (3) · subsystem (3)
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