CPC H01J29/02
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CPC H01J29/02 is a patent class for xyz.[1][2]
References
This wiki has 1 patents in category "CPC H01J29/02".
Patents in category CPC H01J29/02
- Patent FR-1913-460409 (English title: Ornithopter machine with beating wings, Inventors: Raphael Schwéers, Filing date: 1913-07-15)
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