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Patents > IPCs: IPC B64C11/00 & Number of text pages: 3-5 & Number of claims: 2-7

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propellers (13) · propulsion (13) · None (5) · airplane (4) · design (4) · subsystem (3) · aerodynamics (3) · airship (3) · propeller (3) · control (3) · LTA (2) · rudder (2) · marine (2) · wings (2) · aerial propellers (2) · cables (2)
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Showing below up to 38 results in range #1 to #38.

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