Teaching and/or Examination Device,申请号GB19670032742-传众专利搜索

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发明名称	Teaching and/or Examination Device
摘要
申请公布号	GB1181866(A)	申请公布日期	1970.02.18
申请号	GB19670032742	申请日期	1967.07.17
申请人	HEINZ KUNERT	发明人	HEINZ KUNERT
分类号	G09B3/06;G09B3/08	主分类号	G09B3/06
代理机构		代理人
主权项
地址

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