Lifting edge for folders,申请号US19490099321-传众专利搜索

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发明名称	Lifting edge for folders
摘要
申请公布号	US2586381(A)	申请公布日期	1952.02.19
申请号	US19490099321	申请日期	1949.06.15
申请人	QUINN JOHN S	发明人	QUINN JOHN S.
分类号	B42F19/00	主分类号	B42F19/00
代理机构		代理人
主权项
地址

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