CPC B64C2700/6288
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CPC B64C2700/6288 is a patent class for xyz.[1][2]
References
This wiki has 1 patents in category "CPC B64C2700/6288".
Patents in category CPC B64C2700/6288
- Patent FR-1907-374005 (English title: Apparatus for lifting and supporting oneself in the air, Inventors: Vojslav Veceslavovic Placek, Filing date: 1906-12-17)
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