Machine for fabricatng radiator fins,申请号US19470725638-传众专利搜索

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发明名称	Machine for fabricatng radiator fins
摘要
申请公布号	US2483694(A)	申请公布日期	1949.10.04
申请号	US19470725638	申请日期	1947.01.31
申请人	ECHOLS	发明人	ECHOLS THOMAS B.;HOWELL ROBERT V.
分类号	B21D53/08	主分类号	B21D53/08
代理机构		代理人
主权项
地址

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