Drilldown: Patents

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Patents > Granted: Yes & CPCs: CPC B64C23/005 & Number of text pages: 1-2 & Number of figures: 4-5

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Airplane (11) · propulsion (8) · None (6) · design (6) · frame (5) · helicopter (4) · construction (4) · propeller (4) · heavier-than-air (4) · ascension (3) · LTA (3) · Propellers (3) · hybrid (3)
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Showing below up to 35 results in range #1 to #35.

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