Metal working process and apparatus,申请号US19610088876-传众专利搜索

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发明名称	Metal working process and apparatus
摘要
申请公布号	US3180024(A)	申请公布日期	1965.04.27
申请号	US19610088876	申请日期	1961.02.13
申请人	CRUCIBLE STEEL COMPANY OF AMERICA	发明人	FINLAY WALTER L.;DARBY PAUL F.;NEWCOMB CHARLES E.
分类号	B21D22/16	主分类号	B21D22/16
代理机构		代理人
主权项
地址

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