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Patents > CPCs: CPC B64C2700/6218 & Number of claims: 7-60

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Adolf Sprater (4) · None (2)
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Adolf Sprater (4)
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stability (25) · airplane (16) · automatic stability (12) · None (5) · design (5) · equilibrium (4) · control (3) · propellers (3) · wings (3) · aerodynamics (3) · frame (2) · chassis (2) · lift (2) · landing (2) · braking (2) · electricity (2) · balance (2) · wheels (2) · construction (2)
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