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Patents > IPCs: IPC B64C33/00 & Number of text pages: 3-7

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Inventors:
Julius Uherkovich de Uherkócz (2) · Franz Xaver Wels (2)
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Franz Xaver Wels (2) · Julius Uherkovich de Uherkócz (2)
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Tech fields:
flapping (19) · ornithopter (15) · propulsion (12) · frame (10) · wings (8) · stability (8) · airplane (7) · design (6) · HTA (6) · navigation (5) · hybrid (5) · propeller (4) · rudder (3) · construction (3) · lift (3) · human-powered (3) · glider (3) · ascension (2) · airfoil (2)
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