Flexible post for loose-leaf binders,申请号US19280256372-传众专利搜索

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发明名称	Flexible post for loose-leaf binders
摘要
申请公布号	US1744274(A)	申请公布日期	1930.01.21
申请号	US19280256372	申请日期	1928.02.23
申请人	STATIONERS LOOSE LEAF CO.	发明人	LOTTER ADOLPH G.
分类号	B42F13/04	主分类号	B42F13/04
代理机构		代理人
主权项
地址

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