Drilldown: Patents

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Patents > Tech fields : lift or marine or propeller or propulsion & Filing date: 1910 - 1919 & Application number : hybrid or None & Patent agent : Brandon freres or Weismann et Marx or None & Number of claims: 1-2

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None (11) · Oszkár Asbóth (2) · Gustav Pieske (2) · John Dale Cooper (2) · Hellmuth Hirth (2)
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