Method of manufacturing friction plates,申请号US19440570079-传众专利搜索

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发明名称	Method of manufacturing friction plates
摘要
申请公布号	US2480076(A)	申请公布日期	1949.08.23
申请号	US19440570079	申请日期	1944.12.28
申请人	THE S. K. WELLMAN COMPANY	发明人	MARINIS FRANK DE
分类号	B22F7/04	主分类号	B22F7/04
代理机构		代理人
主权项
地址

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