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Patents > Office : CA or NL & Number of claims: 6-9

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airplane (8) · Stability (3) · propellers (3) · control (3) · design (3) · flapping (3) · Frame (3) · None (2) · landing (2) · steering (2) · safety (2) · propulsion (2) · propeller (2) · piloting (2) · marine (2) · lift (2) · Wings (2) · airfoil (2) · HTA (2)
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