Drilldown: Patents

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Patents > CPCs : CPC B64C2700/6212 or CPC B64C2700/6295 & Number of claims: 9-16

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None (13) · stability (12) · airplane (11) · frame (8) · rudder (4) · multiplane (4) · wings (4) · lift (3) · automatic stability (3) · whole (3) · cargo (3) · propeller (3) · design (3)
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