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Patents > Inventor country: CA & First filing: Yes & Number of diagram pages: 2-4

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airplane (10) · stability (6) · rudder (5) · frame (5) · navigation (5) · propulsion (4) · None (4) · LTA (4) · airfoil (3) · hybrid (3) · control (3) · propeller (3) · heavier-than-air (2) · helicopter (2) · marine (2) · dirigible (2) · flying machine (2) · wings (2) · gas (2)
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