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Patents > IPCs : IPC B643H15/00 or IPC B64C11/00 & Number of figures: 2-3

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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) · Eugène Sunguroff (2) · Janko Klopčić (2) · Édouard-Jean Bigourdan (2) · Kurt Schultze (2) · Claude-Marius Carrel (2) · Gianni Caproni (2) · Hermann Ruthenberg (2) · Joseph Clarkson (2) · Antoine-Padoue Filippi (2) · Simon-Louis-Clément Janvier (2)
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None (22) · Propulsion (20) · propellers (15) · aerial propeller (5) · design (4) · LTA (4) · airship (3) · aerial propulsion (3) · airplane (3) · aerial propellers (3) · wings (2) · Subsystem (2) · marine (2) · sails (2) · lift (2) · propeller (2) · navigation (2) · ascension (2)
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None (6)
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