Upright loose-leaf catalogue or file,申请号US19370165004-传众专利搜索

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发明名称	Upright loose-leaf catalogue or file
摘要
申请公布号	US2138848(A)	申请公布日期	1938.12.06
申请号	US19370165004	申请日期	1937.09.22
申请人	SEARS, ROEBUCK AND CO.	发明人	RALSTON HURLEY D.;FELIX OTTO
分类号	B42F17/28	主分类号	B42F17/28
代理机构		代理人
主权项
地址

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