Drilldown: Patents

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Patents > Tech fields: Springs & Filing date: 1910 - 1919

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Otto Albin Budig (4) · None (3) · Édouard Deniéport (3) · Georges-Henri-Marius Canton (2) · Pierre-Georges Unné (2) · Émile-Jean-Jules Salmson (2) · Pierre-Max Bordes (2) · William John Hastings Beach (2)
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