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Patents > Applicant type : COMPANY or INDIV & IPCs: IPC B64C27/04 & First filing: No

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propellers (15) · propulsion (14) · helicopter (13) · airplane (11) · hybrid (10) · ascension (10) · design (8) · sustentation (5) · lift (5) · None (5) · Construction (4) · wings (4) · Frame (3) · parachutes (3)
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Showing below up to 34 results in range #1 to #34.

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