Wire drawing machine,申请号US19380221903-传众专利搜索

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发明名称	Wire drawing machine
摘要
申请公布号	US2232993(A)	申请公布日期	1941.02.25
申请号	US19380221903	申请日期	1938.07.29
申请人	NATIONAL STANDARD COMPANY, INC.	发明人	BERQUIST LEONARD G.
分类号	B21C1/12	主分类号	B21C1/12
代理机构		代理人
主权项
地址

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