CPC B63B1/20
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CPC B63B1/20 is a patent class for xyz.[1][2]
References
This wiki has 4 patents in category "CPC B63B1/20".
Patents in category CPC B63B1/20
- Patent FR-1908-386084 (English title: Hydroplane, Inventors: William Henry Fauber, Filing date: 1908-01-10)
- Patent FR-1908-393680 (English title: Boat airplane, Inventors: Roger Ravaud, Filing date: 1908-08-26)
- Patent FR-1910-423113 (English title: Hydroplane, Inventors: Max Heinrich Bauer, Filing date: 1910-11-28)
- Patent US-1913-1223318 (Inventors: Glenn Hammond Curtiss, Filing date: 1913-06-04)
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