CPC B61G9/10
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CPC B61G9/10 is a patent class for xyz.[1][2]
References
This wiki has 1 patents in category "CPC B61G9/10".
Patents in category CPC B61G9/10
- Patent US-1917-1255916 (English title: Friction Draft-Gear, Inventors: Edward W. Newell, Filing date: 1917-06-23, Applicant firm: Westinghouse Air Brake Company)
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