Bookmark and bookholding device,申请号US19480002755-传众专利搜索

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发明名称	Bookmark and bookholding device
摘要
申请公布号	US2565966(A)	申请公布日期	1951.08.28
申请号	US19480002755	申请日期	1948.01.16
申请人	JAFFIN HARRY A	发明人	JAFFIN HARRY A.
分类号	B42D9/00	主分类号	B42D9/00
代理机构		代理人
主权项
地址

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