File drawer and follower,申请号US19530381899-传众专利搜索

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发明名称	File drawer and follower
摘要
申请公布号	US2767715(A)	申请公布日期	1956.10.23
申请号	US19530381899	申请日期	1953.09.23
申请人	RECORD FILES, INC.	发明人	REGENHARDT HANS W.
分类号	B42F17/02	主分类号	B42F17/02
代理机构		代理人
主权项
地址

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