AMUSEMENT AND TEACHING DEVICE,申请号USD3605287-传众专利搜索

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发明名称	AMUSEMENT AND TEACHING DEVICE
摘要
申请公布号	US3605287(A)	申请公布日期	1971.09.20
申请号	USD3605287	申请日期	1969.07.14
申请人	HOWARD JONESI	发明人	HOWARD JONESI
分类号	G09B11/04;(IPC1-7):G09B11/04	主分类号	G09B11/04
代理机构		代理人
主权项
地址

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