CPC B63H2025/425
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CPC B63H2025/425 is a patent class for xyz.[1][2]
References
This wiki has 1 patents in category "CPC B63H2025/425".
Patents in category CPC B63H2025/425
- Patent FR-1912-444055 (English title: propeller for marine and aeronautic propulsion and navigation, Inventors: Heinrich Bauer, Filing date: 1912-05-21)
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