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发明名称
AUDIO CONFERENCE NETWORK
摘要
申请公布号
KR940011580(B1)
申请公布日期
1994.12.21
申请号
KR19860002572
申请日期
1986.04.04
申请人
DATA POINT CORP.
发明人
TOMPKINS, ELIOT N.;BARTHOLMAL, JACK N.
分类号
H04N11/00;H04M3/56;H04M11/00;H04N7/14;H04N7/15;H04N11/24;(IPC1-7):H04M3/56
主分类号
H04N11/00
代理机构
代理人
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