Book ejection apparatus,申请号US19750612944-传众专利搜索

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法人/股东/高管

发明名称	Book ejection apparatus
摘要	A device for use in a conventional book case to eject a book upon demand.
申请公布号	US4050754(A)	申请公布日期	1977.09.27
申请号	US19750612944	申请日期	1975.09.12
申请人	COLEY, CHARLES L.	发明人	COLEY, CHARLES L.
分类号	A47B63/00;(IPC1-7):A47B23/00	主分类号	A47B63/00
代理机构		代理人
主权项
地址

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