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发明名称
METHOD FOR CONFERENCE CALLING
摘要
申请公布号
KR100242697(B1)
申请公布日期
2000.02.01
申请号
KR19970025295
申请日期
1997.06.18
申请人
DAEWOO TELECOM LTD.
发明人
HAN, MOUNG-HEE;PARK, DAE-SEOK
分类号
H04M3/56;(IPC1-7):H04M3/56
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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