Edge opening device,申请号US19620225968-传众专利搜索

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发明名称	Edge opening device
摘要
申请公布号	US3169427(A)	申请公布日期	1965.02.16
申请号	US19620225968	申请日期	1962.09.21
申请人	REYNOLDS METALS COMPANY	发明人	CAVE BOYD D.
分类号	B21D53/02	主分类号	B21D53/02
代理机构		代理人
主权项
地址

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