Method of making brake drums,申请号US19380206756-传众专利搜索

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发明名称	Method of making brake drums
摘要
申请公布号	US2218810(A)	申请公布日期	1940.10.22
申请号	US19380206756	申请日期	1938.05.09
申请人	CAMPBELL, WYANT & CANNON FOUNDRY COMPANY	发明人	CAMPBELL DONALD J.;DAKE CHARLES W.
分类号	B22C9/24	主分类号	B22C9/24
代理机构		代理人
主权项
地址

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