Drilldown: Patents

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Patents > Office: FR & Inventor country : FR or GB & Applicant firm: None & Tech fields : Airplane or propeller or propulsion & Application number: None & Number of figures: 5-8

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None (3) · CPC B63H1/26 (3) · CPC B64D27/00 (2) · CPC B63H2001/122 (2)
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