Drilldown: Patents

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Patents > Tech fields : propellers or propulsion & Grant date: 1919

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None (4) · Oszkár Asbóth (3) · Alfred Merlue (2) · John Edward Thompson (2) · Henri-Joseph-Léon-Marie de la Chevardière de la Grandville (2) · René-Joseph-Ghislain Straunard (2)
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None (6) · Alfred Merlue (2) · John Edward Thompson (2) · René-Joseph-Ghislain Straunard (2) · Henri-Joseph-Léon-Marie de la Chevardière de la Grandville (2) · Oskar von Asbóth (2)
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None (12) · CPC B64C11/36 (6) · CPC B27M3/10 (4) · CPC B64C11/006 (3) · CPC B64B1/62 (2) · CPC B64C27/04 (2) · CPC B64C11/06 (2) · CPC B64C11/04 (2) · CPC B64C11/00 (2) · CPC B64C2700/6281 (2) · CPC B64C11/303 (2)
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