Drilldown: Patents

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Patents > Office : CA or CL or Other & Inventor country : AU or FR or MX & Tech fields : propellers or wings & Grant date: 1900 - 1909 & Related to aircraft : 0? or 1

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CPCs:
None (6) · CPC B64C39/00 (4) · CPC B64D35/04 (4) · CPC B64C27/12 (3) · CPC B64C13/00 (2) · CPC B64C17/00 (2) · CPC B63H1/26 (2)
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