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Patents > National tech categories : USPC 267/64.26 or None & CPCs : CPC B64C11/006 or CPC B64C25/60 or CPC B64C35/00 & Number of claims: 2-3 & Number of figures: 1-5

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propulsion (8) · None (4) · Propeller (4) · paddle-wheel (4) · Airplane (4) · feathering (3) · subsystem (3) · hydroplane (3) · Windmill (3) · launching (2) · Propellers (2) · takeoff (2) · suspension (2) · starting (2) · float (2) · frame (2) · marine (2) · hydroaeroplane (2)
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Showing below up to 37 results in range #1 to #37.

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