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Patents > CPCs : CPC A44B13/0011 or CPC B64C2700/6274 & Number of claims: 2-3

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None (2) · Alwin Hitzeroth (2) · Gustav Mees (2) · William Radford (2) · Alvaro Da Cunha (2)
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None (2) · Alwin Hitzeroth (2) · Gustav Mees (2) · William Radford (2) · Alvaro Da Cunha (2)
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None (17) · airplane (14) · propulsion (8) · propellers (7) · design (7) · Control (6) · helicopter (6) · hybrid (6) · construction (5) · Lift (4) · Frame (4) · ascension (3) · stability (3) · whole (3) · aerodynamics (3) · heavier-than-air (3)
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Showing below up to 43 results in range #1 to #43.

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