Hinge for loose-leaf catalogues or the like,申请号US19350023540-传众专利搜索

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发明名称	Hinge for loose-leaf catalogues or the like
摘要
申请公布号	US2138847(A)	申请公布日期	1938.12.06
申请号	US19350023540	申请日期	1935.05.27
申请人	SEARS, ROEBUCK AND CO.	发明人	FELIX OTTO
分类号	B42F13/00	主分类号	B42F13/00
代理机构		代理人
主权项
地址

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