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发明名称
Rundsprechsystem für ein Koppelnetz mit verteilter Steuerung
摘要
申请公布号
DE69232333(D1)
申请公布日期
2002.02.14
申请号
DE19926032333
申请日期
1992.09.25
申请人
IPC INFORMATION SYSTEMS, INC.
发明人
COTTON, JOHN M.;OLSEN, NEIL C.;NECULA, NICHOLAS;OSWALD, WILLIAM A.
分类号
H04L12/26;H04M3/56;H04Q3/52;H04Q3/58;H04Q11/04;(IPC1-7):H04Q11/04;H04L12/18;H04L12/56
主分类号
H04L12/26
代理机构
代理人
主权项
地址
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