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发明名称
SUBSCRIBER LINE D-CHANNEL SIGNAL MONITORING METHOD IN ISDN
摘要
申请公布号
JPH10294775(A)
申请公布日期
1998.11.04
申请号
JP19970100311
申请日期
1997.04.17
申请人
NEC CORP
发明人
MURATA MASAKAZU
分类号
H04L29/14;H04L12/26;H04M3/00;(IPC1-7):H04L29/14
主分类号
H04L29/14
代理机构
代理人
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