Filing systems and constructions therefor,申请号US19580722602-传众专利搜索

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发明名称	Filing systems and constructions therefor
摘要
申请公布号	US2974803(A)	申请公布日期	1961.03.14
申请号	US19580722602	申请日期	1958.02.25
申请人	HUMPHREY JOHN H	发明人	HUMPHREY JOHN H.
分类号	A47B53/00;B42F17/08	主分类号	A47B53/00
代理机构		代理人
主权项
地址

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