CPC B64D39/00
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CPC B64D39/00 is a patent class for xyz.[1][2]
References
This wiki has 1 patents in category "CPC B64D39/00".
Patents in category CPC B64D39/00
- Patent FR-1915-475178 (English title: Propeller, Inventors: Jean-Henri Mouté, Filing date: 1914-07-16)
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