Loose-leaf binder clip,申请号US19400328438-传众专利搜索

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发明名称	Loose-leaf binder clip
摘要
申请公布号	US2259505(A)	申请公布日期	1941.10.21
申请号	US19400328438	申请日期	1940.04.08
申请人	WISDOM POLLARD V	发明人	WISDOM POLLARD V.
分类号	B42F1/00	主分类号	B42F1/00
代理机构		代理人
主权项
地址

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