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Patents > Applicant firm : British and Colonial Aeroplane Co. or None & CPCs: CPC B64C2700/6274 & Number of figures: 5-8

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Airplane (10) · Propulsion (9) · propellers (9) · None (7) · Whole (7) · Design (6) · helicopter (6) · heavier-than-air (5) · construction (5) · Frame (5) · hybrid (4) · Lift (3) · Ascension (3) · propeller (3)
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Showing below up to 35 results in range #1 to #35.

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