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Patents > Year granted: 1915 & National tech categories: FR 6.4 & Number of text pages: 1-2

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airplane (22) · stability (12) · frame (7) · lift (4) · sustentation (4) · military (4) · LTA (4) · suspension (3) · propulsion (3) · navigation (3) · rigid (2) · propeller (2) · aerodynamics (2) · Hybrid (2) · wings (2) · automatic stability (2) · construction (2) · ascension (2) · control (2)
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CPC B64C17/00 (8) · CPC B64C2700/6295 (5) · CPC B64C39/00 (4) · CPC B64C2700/6214 (3) · CPC B64B1/00 (2) · CPC B64C2700/6219 (2) · CPC B64C2700/6218 (2) · CPC B64D2700/62649 (2) · CPC B63H1/26 (2) · CPC B64C11/16 (2) · CPC B64D7/02 (2)
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