Box for loose-leaf holders,申请号US19480040247-传众专利搜索

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发明名称	Box for loose-leaf holders
摘要
申请公布号	US2495687(A)	申请公布日期	1950.01.31
申请号	US19480040247	申请日期	1948.07.23
申请人	BELMONT ELLIOTT T	发明人	BELMONT ELLIOTT T.
分类号	B42F7/14;B42F13/40	主分类号	B42F7/14
代理机构		代理人
主权项
地址

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