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Patents > Inventor country : FR or NL & Number of text pages: 2-4 & Number of claims: None & Number of figures: None

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Propulsion (13) · airplane (10) · construction (9) · design (7) · LTA (6) · navigation (6) · subsystem (5) · frame (5) · stability (4) · propeller (4) · motors (4) · Lift (4) · safety (3) · propellers (3) · hybrid (3) · None (3)
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CPC B64C39/00 (4) · None (3) · CPC B64C3/00 (2) · CPC B64C2700/6295 (2) · CPC B64C1/00 (2) · CPC B64C11/006 (2)
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Showing below up to 37 results in range #1 to #37.

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