Methods of and apparatus for extruding lead,申请号US19520285284-传众专利搜索

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发明名称	Methods of and apparatus for extruding lead
摘要
申请公布号	US2765910(A)	申请公布日期	1956.10.09
申请号	US19520285284	申请日期	1952.04.30
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	JR. EDGAR W. HERTENSTEIN,;LARSEN ELMER J.
分类号	B21C23/30	主分类号	B21C23/30
代理机构		代理人
主权项
地址

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