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Patents > Year granted: 1909 & Tech fields: propulsion & Family year: 1900 - 1999 & Number of text pages: 2-3

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None (3) · Robert Esnault-Pelterie (3) · Charles Wolf (2) · Mathias Hartz (2) · José Molinari (2) · José Cervelli (2) · Hermann Ruthenberg (2) · Christopher John Lake (2) · Jean Bernasconi (2)
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None (6) · Robert Esnault-Pelterie (3) · Charles Wolf (2) · Jose Cervelli (2) · Hermann Ruthenberg (2) · José Molinari (2) · Jean Bernasconi (2) · Christopher John Lake (2) · Mathias Hartz (2)
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None (14) · CPC B64C23/005 (6) · CPC B64C33/02 (6) · CPC B64C39/00 (5) · CPC B64C2700/6274 (4) · CPC B64C33/00 (4) · CPC B64C11/006 (4) · CPC B64C39/005 (3) · CPC B64C11/20 (3) · CPC B64B1/00 (3) · CPC B64C39/003 (2) · CPC B64C27/12 (2) · CPC B64C2700/6295 (2)
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