Bookmark,申请号US19510251027-传众专利搜索

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发明名称	Bookmark
摘要
申请公布号	US2631560(A)	申请公布日期	1953.03.17
申请号	US19510251027	申请日期	1951.10.12
申请人	HARRISON G. MCDONALD	发明人	MYERS EDWIN 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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