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Patents > Inventor country: DE & Applicant person: None & Tech fields: propeller

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None (20) · Christian Lorenzen (7) · Hermann Ganswindt (4) · Jakob Haw (4) · Hellmuth Hirth (2) · Reinhard Mannesmann (2) · Hermann Ruthenberg (2) · Richard Wilcke (2) · Albert Graff (2)
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Showing below up to 81 results in range #1 to #81.

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