Line space mechanism for record making machines,申请号US19380214009-传众专利搜索

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发明名称	Line space mechanism for record making machines
摘要
申请公布号	US2248152(A)	申请公布日期	1941.07.08
申请号	US19380214009	申请日期	1938.06.16
申请人	UNDERWOOD ELLIOTT FISHER COMPANY	发明人	WISE ELMER L.
分类号		主分类号
代理机构		代理人
主权项
地址

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