Drilldown: Patents

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Patents > CPCs : CPC B64C2700/6295 or CPC B64C3/50 & Number of claims: 12-70

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None (8) · stability (6) · airplane (5) · frame (5) · lift (3) · construction (2) · whole (2) · rudder (2) · propellers (2) · design (2) · hydroplane (2) · automatic stability (2)
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