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Patents > Inventor country: DE & CPCs : CPC B27M3/10 or CPC B64C23/005

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airplane (14) · None (11) · stability (9) · propeller (9) · hybrid (7) · frame (6) · propulsion (6) · whole (5) · takeoff (5) · propellers (4) · design (4) · helicopter (4) · gyroscope (4) · navigation (3) · LTA (3) · jet (3) · wood (3) · construction (3)
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Showing below up to 37 results in range #1 to #37.

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