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Patents > Year granted: 1912 & Tech fields: propellers & Number of text pages: 1-2

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Inventors:
Antoine-Padoue Filippi (6) · André-Julien Mahoudeau (3) · David Henderson Blake (3) · None (2) · Henri-Hubert Pagny (2) · Jaroslav Engler (2) · Pierre Jacomy (2) · François Jahan (2)
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Antoine-Padoue Filippi (5) · None (4) · David Henderson Blake (3) · André-Julien Mahoudeau dit de Villethiou (2) · Jaroslav Engler (2) · Pierre Jacomy (2) · François Jahan (2)
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None (9) · 423792D (2)
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CPCs:
None (9) · CPC B64C11/16 (4) · CPC B63H1/26 (4) · CPC B64C11/00 (3) · CPC B64C39/00 (3) · CPC B64C11/04 (3) · CPC B64C11/18 (2) · CPC B64C13/00 (2) · CPC B63H2001/122 (2)
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