CPC Y10T279/33
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CPC Y10T279/33 is a patent class for xyz.[1][2]
References
This wiki has 1 patents in category "CPC Y10T279/33".
Patents in category CPC Y10T279/33
- Patent US-1896-559012 (English title: Fastening device, Inventors: Herbert C. Warren, Filing date: 1895-11-20)
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