Drilldown: Patents

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Patents > Tech fields : navigation or rudder & Family year: 1912

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None (6) · Albert Lebrun (3) · François d’Astanières (3) · François Dergint (2) · Matthew B. Sellers (2) · Roger Sommer (2)
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None (10) · Albert Lebrun (3) · François d’Astanières (3) · Roger Sommer (2) · François Dergint (2)
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Showing below up to 76 results in range #1 to #76.

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