Method of making bimetallic ingots,申请号US19440549531-传众专利搜索

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发明名称	Method of making bimetallic ingots
摘要
申请公布号	US2398529(A)	申请公布日期	1946.04.16
申请号	US19440549531	申请日期	1944.08.15
申请人	COPPERWELD STEEL COMPANY	发明人	HOLMQUIST CARL W.
分类号	B22D7/02	主分类号	B22D7/02
代理机构		代理人
主权项
地址

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