CPC Y10T403/7056
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CPC Y10T403/7056 is a patent class for xyz.[1][2]
References
This wiki has 1 patents in category "CPC Y10T403/7056".
Patents in category CPC Y10T403/7056
- Patent US-1916-1246023 (English title: Aerial-propeller fastening, Inventors: Charles B. Kirkham, Filing date: 1916-10-13, Applicant firm: Curtiss Aeroplane)
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