LANGUAGE TEACHING AID,申请号GB19680005489-传众专利搜索

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发明名称	LANGUAGE TEACHING AID
摘要
申请公布号	GB1261901(A)	申请公布日期	1972.01.26
申请号	GB19680005489	申请日期	1968.02.02
申请人	THOMAS KREMER;JOHN RALPH HICKS	发明人	THOMAS KREMER;JOHN RALPH HICKS;MELVILLE HUBERT ERNEST HARDIMENT
分类号	G09B19/08	主分类号	G09B19/08
代理机构		代理人
主权项
地址

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