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发明名称
METHOD FOR CONFERENCE CALL IN PRIVATE BRANCH EXCHANGE
摘要
申请公布号
KR20060055928(A)
申请公布日期
2006.05.24
申请号
KR20040095127
申请日期
2004.11.19
申请人
LG ELECTRONICS INC.
发明人
LEE, KYEONG HEE
分类号
H04M3/56
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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