CARD INDEX FILE,申请号USD3589523-传众专利搜索

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发明名称	CARD INDEX FILE
摘要
申请公布号	US3589523(A)	申请公布日期	1971.06.29
申请号	USD3589523	申请日期	1969.10.15
申请人	WENDELL D. BELDEN	发明人	WENDELL D. BELDEN
分类号	B42F17/02;(IPC1-7):B42F17/12	主分类号	B42F17/02
代理机构		代理人
主权项
地址

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