Drilldown: Patents

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Patents > Tech fields : hybrid or propulsion & National tech categories: None & Family year: 1800 - 1899 & Number of claims: None

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Blaise Bontems (3) · None (2) · Pierre-Marie Touboulic (2) · Matthew Piers Watt Boulton (2) · Gormont (2) · Johnstone (2) · Jean-Pierre-Eugène Dumont (2)
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