EDUCATIONAL DEVICE FOR INDIVIDUAL STUDENT USE,申请号USD3514873-传众专利搜索

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发明名称	EDUCATIONAL DEVICE FOR INDIVIDUAL STUDENT USE
摘要
申请公布号	US3514873(A)	申请公布日期	1970.06.02
申请号	USD3514873	申请日期	1968.09.16
申请人	PAUL J. STOBBE	发明人	PAUL J. STOBBE
分类号	G09B1/08;(IPC1-7):G09B1/08;G09F7/04	主分类号	G09B1/08
代理机构		代理人
主权项
地址

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