View source for CPC B64C39/008

Aircraft not otherwise provided for, and "with wings, paddle wheels, bladed wheels, moving or rotating" "about a longitudinal axis" "in relation to the fuselage."<ref name=uspto>[https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B64C.html#B64C39/008 CPC B64C39/008 element] listed at [[USPTO]]</ref>
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{{Techtype
|Enclosing categories=CPC B64C39/003
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