Drilldown: Patents

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Patents > Applicant type: INDIV & Tech fields : lift or navigation or None & IPCs: IPC B64C3/38 & CPCs : CPC B64B1/40 or CPC B64B1/58 or CPC B64C2700/6274 or CPC B64C3/00 or CPC B64C3/385

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Robert Esnault-Pelterie (3)
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Robert Esnault-Pelterie (3)
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