Drilldown: Patents

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Patents > IPCs: None & CPCs: CPC B64C23/005 & Number of claims: 2-4

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None (3)
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airplane (17) · propeller (14) · propulsion (13) · frame (11) · helicopter (11) · navigation (10) · None (8) · hybrid (8) · stability (6) · rudder (4) · HTA (3) · wheels (3)
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