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Patents > CPCs: CPC B64C23/005 & Citations from after 1930: None & Number of claims: 3-4

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None (2) · Carl Hanschke (2)
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airplane (21) · propulsion (16) · hybrid (10) · frame (9) · helicopter (8) · design (7) · propeller (7) · propellers (6) · ascension (5) · navigation (5) · construction (4) · wings (4) · stability (4) · heavier-than-air (4) · Lift (3) · Control (3) · wheels (3) · rudder (3) · Aerodynamics (3) · None (3)
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Showing below up to 40 results in range #1 to #40.

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