CPC B64D29/04
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CPC B64D29/04 is a patent class for xyz.[1][2]
References
This wiki has 1 patents in category "CPC B64D29/04".
Patents in category CPC B64D29/04
- Patent FR-1912-444559 (English title: Triple-purpose steering apparatus for aeroplanes (?), Inventors: Nuno De Cadaval, Filing date: 1912-06-03)
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