Drilldown: Patents
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None (1) ·
Charles Michel Ivanovich Poitier (1) ·
Étienne Eulriot (1) ·
Eugène-Louis-Jules DE FRESNE (2) ·
Joseph Esprit (1) ·
l'abbé Jean-Martin Demongeot (4) ·
Madinier (1) ·
Philippe-Ferdinand DE CASTRO (1) ·
Pierre Ferrand (1) ·
Pierre-Marie Touboulic (1) ·
Thomas John Lewis (1) ·
William Lewis (1) ·
Карл Иванович Потье (1)
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