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Patents > Full specification filed date: 1910 - 1919 & CPCs : CPC B64C2700/6281 or CPC B64C35/00

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Hydroaeroplane (7) · hydroplane (6) · None (5) · design (5) · helicopter (5) · airplane (4) · construction (4) · hybrid (4) · propellers (3) · propulsion (3) · wheels (2) · landing (2) · Floats (2) · lift (2) · frame (2) · seaplanes (2) · Hydro-aeroplane (2) · heavier-than-air (2) · control (2)
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Showing below up to 34 results in range #1 to #34.

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