Filing device and method of making the same,申请号US19310516445-传众专利搜索

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发明名称	Filing device and method of making the same
摘要
申请公布号	US2026500(A)	申请公布日期	1935.12.31
申请号	US19310516445	申请日期	1931.02.17
申请人	REMINGTON RAND INC.	发明人	HUTCHINGS LE ROI E.
分类号	G03B15/00	主分类号	G03B15/00
代理机构		代理人
主权项
地址

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