Drilldown: Patents

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Patents > Tech fields : control or electricity & Family year: 1913

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None (6) · Bernard de Beer (2) · François Dergint (2) · Henri-Marie Coandă (2) · Jean-Baptiste-Alexis Henrion (2) · E. Amichaud (2) · Jules-Louis Didier (2) · René-Alcide-Onesime Henrion (2)
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None (6) · Bernard de Beer (2) · François Dergint (2) · Henri-Marie Coandă (2) · Jean-Baptiste-Alexis Henrion (2) · E. Amichaud (2) · Jules-Louis Didier (2) · René-Alcide-Onesime Henrion (2)
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