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发明名称
Wideband Telephone Line Interface Circuit
摘要
申请公布号
CA2131294(A1)
申请公布日期
1993.10.28
申请号
CA19932131294
申请日期
1993.03.17
申请人
NORTHERN TELECOM LTD
发明人
ROSCH REINHARD W;ROSENBAUM STANLEY D
分类号
H04M3/22;H04M19/00;H04Q3/42
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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