Filing device and method of operation,申请号US19560569841-传众专利搜索

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发明名称	Filing device and method of operation
摘要
申请公布号	US3043734(A)	申请公布日期	1962.07.10
申请号	US19560569841	申请日期	1956.03.06
申请人	JOHN GREEN PRESS, INC.	发明人	PORTER ROBERT W.
分类号	B42F17/00	主分类号	B42F17/00
代理机构		代理人
主权项
地址

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