Wire-drawing apparatus,申请号US19380246354-传众专利搜索

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发明名称	Wire-drawing apparatus
摘要
申请公布号	US2199495(A)	申请公布日期	1940.05.07
申请号	US19380246354	申请日期	1938.12.17
申请人	JOHNSON STEEL & WIRE COMPANY, INC.	发明人	JOHNSON CHARLES D.
分类号	B21C9/00	主分类号	B21C9/00
代理机构		代理人
主权项
地址

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