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Patents > Office : BE or CL or FR or JP or NL & Applicant person : Henry Félix Villard or Robert Esnault-Pelterie & Supplementary to patent : 1 or   or None & Assigned to: None

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airplane (25) · construction (14) · wings (12) · frame (10) · design (10) · lift (9) · landing (8) · chassis (6) · stability (6) · aerodynamics (6) · monoplane (5) · propulsion (5) · navigation (4) · wheels (4) · sustentation (4) · automatic stability (4)
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Showing below up to 35 results in range #1 to #35.

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