Drilldown: Patents
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Patents > Inventor country:
FR
& Filing date:
1914
& Supplementary to patent:
Patent BE-1913-08-11 Louis Constantin and François d’Astanières
& IPCs:
IPC B64C3/38 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.