Apparatus for modulating punch and die,申请号US19550501835-传众专利搜索

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发明名称	Apparatus for modulating punch and die
摘要
申请公布号	US2981136(A)	申请公布日期	1961.04.25
申请号	US19550501835	申请日期	1955.04.18
申请人	KOEHRING COMPANY	发明人	LEGGE ELMER E.
分类号	B21D28/20	主分类号	B21D28/20
代理机构		代理人
主权项
地址

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