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发明名称
VERFAHREN UND VORRICHTUNG ZUR PRUEFUNG VON VERDRILLTEN DOPPELLEITUNGEN IN EINEM LOKALEN NETZ.
摘要
申请公布号
DE3881201(D1)
申请公布日期
1993.06.24
申请号
DE19883881201
申请日期
1988.12.06
申请人
HEWLETT-PACKARD CO., PALO ALTO, CALIF., US
发明人
HUANG, FRED G., FOLSOM, CA 95630, US
分类号
H04M3/30;H04B3/46;H04L1/24;(IPC1-7):H04L1/24;G01R31/02
主分类号
H04M3/30
代理机构
代理人
主权项
地址
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