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Patents > Office : AU or BE & Number of figures: 9-40

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airplane (15) · frame (8) · whole (7) · safety (6) · hybrid (6) · propulsion (5) · stability (5) · propellers (4) · LTA (4) · landing (4) · Helicopter (4) · heavier-than-air (4) · propeller (4) · piloting (3) · design (3) · marine (3) · navigation (3)
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