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Patents > IPCs : IPC B64C27/04 or IPC B64C39/08 & Number of text pages: 3-4

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Inventors:
Alexis Beurrier (5) · Édouard-Jean Bigourdan (5) · Louis Lacoin (3) · Jesse James Dillon (2)
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Alexis Beurrier (5) · Édouard-Jean Bigourdan (3) · Louis Lacoin (3) · None (2) · Jesse James Dillon (2)
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helicopter (20) · airplane (11) · None (8) · hybrid (8) · ascension (7) · propellers (7) · propulsion (6) · wheels (4) · propeller (4) · design (4) · heavier-than-air (4) · frame (3) · stability (3) · lift (3) · HTA (3) · wings (3) · descent (3)
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Showing below up to 51 results in range #1 to #51.

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