Drilldown: Patents

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Patents > Inventor country : CA or KH & Number of text pages: 2-3

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propulsion (13) · airplane (13) · None (9) · stability (7) · design (6) · propellers (5) · navigation (5) · propeller (4) · marine (4) · frame (4) · LTA (4) · steering (3) · hybrid (2) · construction (2) · rudder (2) · control (2) · aerodynamics (2) · parachute (2)
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