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发明名称
TRANSMISSION LINE ERROR RATE DEGRADATION ALARM DETECTING CIRCUIT
摘要
申请公布号
JPH0677937(A)
申请公布日期
1994.03.18
申请号
JP19920225468
申请日期
1992.08.25
申请人
NEC CORP
发明人
KANEKO HIROAKI
分类号
H04L1/00;H04L29/14;(IPC1-7):H04L1/00
主分类号
H04L1/00
代理机构
代理人
主权项
地址
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