Drilldown: Patents

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Patents > Office : BE or DK or ES or FR or NL or SE & Applicant type : А. Нейфельд or None & Tech fields : aerodynamics or airplane

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None (4) · August Wendtland (3) · Charles de Coster (2) · Louis-Ferdinand Ferber (2)
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Showing below up to 58 results in range #1 to #58.

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