CPC Y02T50/66
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CPC Y02T50/66 is a patent class for xyz.[1][2]
References
This wiki has 1 patents in category "CPC Y02T50/66".
Patents in category CPC Y02T50/66
- Patent US-1910-1124917 (English title: Aeroplane construction, Inventors: Marius C. Krarup, Filing date: 1910-06-16)
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