电话会议用的声频发射及接收器,申请号CN03354328.3-传众专利搜索

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发明名称	电话会议用的声频发射及接收器
摘要
申请公布号	CN3355585D	申请公布日期	2004.03.03
申请号	CN03354328.3	申请日期	2003.06.23
申请人	索尼公司	发明人	上原光博;成田久德
分类号	14-03	主分类号	14-03
代理机构	中国专利代理(香港)有限公司	代理人	杨松龄
主权项
地址	日本东京都

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