A DEVICE FOR THE USE OF PRINTED TEACHING PROGAMMES,申请号GB19700015956-传众专利搜索

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发明名称	A DEVICE FOR THE USE OF PRINTED TEACHING PROGAMMES
摘要
申请公布号	GB1206100(A)	申请公布日期	1970.09.23
申请号	GB19700015956	申请日期	1967.10.06
申请人	HEINZ KUNERT	发明人	HEINZ KUNERT
分类号	G09B3/04	主分类号	G09B3/04
代理机构		代理人
主权项
地址

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