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Patents > Year filed: 1917 & Tech fields : Propulsion or subsystem

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None (8) · Floris Albert van Heyst (3) · Eduard Zaparka (3) · Walter George Tarrant (3) · Vilmos Zurowec (2) · Thomas Sloper (2) · Jakob Haw (2) · Hellmuth Hirth (2) · Nicolaas Everhard Groeneveld Meyer (2) · Paul Schmitt (2)
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None (17) · CPC B64C2001/0063 (2) · CPC B64C1/065 (2) · CPC B64C11/006 (2) · CPC B64C11/04 (2) · CPC B64C11/06 (2) · CPC B64C27/04 (2) · CPC B64C25/60 (2) · CPC B64C23/005 (2)
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Showing below up to 58 results in range #1 to #58.

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