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发明名称
DIGITAL SIGNAL PERFORMANCE MONITOR
摘要
申请公布号
GB1568352(A)
申请公布日期
1980.05.29
申请号
GB19780013771
申请日期
1978.04.07
申请人
NORTHERN TELECOM LTD
发明人
分类号
H04L1/00;H04L1/24;H04L25/02;H04L25/04;(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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