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发明名称
Lan telephone system
摘要
申请公布号
EP0829995(A3)
申请公布日期
2000.05.24
申请号
EP19970307198
申请日期
1997.09.16
申请人
SPHERE COMMUNICATIONS INC.
发明人
RIEMANN, ERNST B.;WEIR, ALAN T.;VYSKOCIL, RANDALL;NIESMAN, DAVID F.;KERGOZOU, M.A.
分类号
H04Q3/58;H04L12/24;H04L12/56;H04M3/00;H04M3/42;H04M3/428;H04M3/533;H04M3/54;H04M3/56;H04M7/00;H04M7/12;H04Q3/00;H04Q3/72;H04Q11/04;(IPC1-7):H04M3/00;H04L12/46
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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