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发明名称
APPARATUS AND METHOD FOR PREVENTING ECHO IN SPEAKER PHONE
摘要
申请公布号
KR100601717(B1)
申请公布日期
2006.07.10
申请号
KR20050004149
申请日期
2005.01.17
申请人
SAMSUNG ELECTRONICS CO., LTD.
发明人
LEE, SUNG SOO
分类号
H04M1/20
主分类号
H04M1/20
代理机构
代理人
主权项
地址
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