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发明名称
WIDEBAND TELEPHONE LINE INTERFACE CIRCUIT
摘要
申请公布号
EP0636295(B1)
申请公布日期
1997.05.07
申请号
EP19930905125
申请日期
1993.03.17
申请人
NORTHERN TELECOM LIMITED
发明人
ROSCH, REINHARD W.;ROSENBAUM, STANLEY, D.
分类号
H04M19/00;H04M3/22;H04Q3/42;(IPC1-7):H04M19/00
主分类号
H04M19/00
代理机构
代理人
主权项
地址
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