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Patents > Office : CA or DE or Other & Inventor country: RO & Number of text pages: 3-70

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design (14) · airplane (13) · wings (12) · construction (12) · propellers (11) · aerodynamics (8) · frame (7) · control (6) · fuselage (6) · stability (5) · landing (4) · steering (4) · wheels (3) · sustentation (3) · rudder (3) · nervure (3) · None (3) · chassis (3)
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Showing below up to 33 results in range #1 to #33.

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