Coil opening and feeding apparatus,申请号US19590820890-传众专利搜索

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发明名称	Coil opening and feeding apparatus
摘要
申请公布号	US3052423(A)	申请公布日期	1962.09.04
申请号	US19590820890	申请日期	1959.06.17
申请人	UNITED STATES STEEL CORPORATION	发明人	ARTMAN CLAYTON E.
分类号	B21C47/34	主分类号	B21C47/34
代理机构		代理人
主权项
地址

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