Loose leaf binder,申请号US19350020969-传众专利搜索

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发明名称	Loose leaf binder
摘要
申请公布号	US2116078(A)	申请公布日期	1938.05.03
申请号	US19350020969	申请日期	1935.05.11
申请人	MEVI GEORGE G	发明人	MEVI GEORGE G.
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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