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Patents > IPCs : IPC B64C11/00 or IPC B65D81/02 & Number of figures: 2-3

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Inventors:
None (3) · Jules Collomb (3) · Claude-Marius Carrel (2) · Hermann Ruthenberg (2) · Joseph Clarkson (2) · Kurt Schultze (2) · Gianni Caproni (2) · Eugène Sunguroff (2) · Janko Klopčić (2) · Édouard-Jean Bigourdan (2) · Simon-Louis-Clément Janvier (2) · Antoine-Padoue Filippi (2)
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None (4) · Jules Collomb (3) · Claude-Marius Carrel (2) · Joseph Clarkson (2) · Hermann Ruthenberg (2) · Kurt Schultze (2) · Gianni Caproni (2) · Eugène Sunguroff (2) · Janko Klopčić (2) · Édouard-Jean Bigourdan (2) · Simon-Louis-Clément Janvier (2) · Antoine-Padoue Filippi (2)
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Tech fields:
propulsion (30) · propellers (26) · design (11) · airplane (7) · aerial propeller (6) · marine (6) · sustentation (5) · wings (4) · LTA (4) · aerial propellers (3) · aerial propulsion (3) · aerodynamics (3) · Airship (3) · helicopter (3)
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None (5)
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Citations from after 1930:
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