Method and apparatus for teaching languages,申请号US19590861036-传众专利搜索

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发明名称	Method and apparatus for teaching languages
摘要
申请公布号	US3059348(A)	申请公布日期	1962.10.23
申请号	US19590861036	申请日期	1959.12.21
申请人	LIBERO MEZZACAPPA ANTONIO	发明人	MEZZACAPPA ANTONIO LIBERO
分类号	G09B5/04	主分类号	G09B5/04
代理机构		代理人
主权项
地址

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