Device for use as a learning aid for conveying a user's voice to the user's,申请号US00/029853-传众专利搜索

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发明名称	Device for use as a learning aid for conveying a user's voice to the user's
摘要
申请公布号	USD377098(S1)	申请公布日期	1996.12.31
申请号	US00/029853	申请日期	1994.10.18
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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