CPC B64C2201/024
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CPC B64C2201/024 is a patent class for xyz.[1][2]
References
This wiki has 3 patents in category "CPC B64C2201/024".
Patents in category CPC B64C2201/024
- Patent FR-1902-322434 (English title: Machine for aerial observation, Inventors: Charles Tuckfield • Frederick Hodge • Walker George de Forges Garland, Filing date: 1902-06-23)
- Patent GB-1912-17933 (English title: Pyramidal helicopter, Inventors: Travers Glynn Ivon Ayers, Filing date: 1912-08-02)
- Patent FR-1913-460847 (English title: Air navigation equipment on pyramidal helicopter, Inventors: Travers Glynn Ivon Ayers, Supplementary to patent: Patent GB-1912-17933, Filing date: 1913-07-29)
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