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发明名称
Character communication telephone using frequency-tone, having micom-controller
摘要
申请公布号
KR100590557(B1)
申请公布日期
2006.06.19
申请号
KR20040077736
申请日期
2004.09.30
申请人
发明人
分类号
H04M1/26
主分类号
H04M1/26
代理机构
代理人
主权项
地址
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CLASSIFIER