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Patents > Patent agent: Weismann et Marx & Number of claims: 1 & Number of diagram pages: 1

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airplane (8) · propellers (6) · design (5) · control (4) · chassis (4) · hydroplane (3) · frame (3) · hydrodynamics (3) · landing (3) · propulsion (3) · aerodynamics (3) · wheels (3)
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