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发明名称
VERFAHREN ZUR PRUEFUNG VON VIERDRAHTVERBINDUNGEN ZWISCHEN ZWEI MITEINANDER ZU VERBINDENDEN SCHALTSTELLEN EINES FERNMELDENETZES
摘要
申请公布号
DE2304923(A1)
申请公布日期
1973.09.20
申请号
DE19732304923
申请日期
1973.02.01
申请人
SIEMENS-ALBIS AG;STANDARD TELEPHON UND RADIO AG;HASLER AG, BERN
发明人
BEESLEY, JOHN-HENRY, DIPL.-ING.;FONTOLLIET, PIERRE-GERARD, DIPL.-ING.
分类号
H04M3/26;H04J3/00;H04L25/02;H04M3/00;H04Q3/545;H04Q11/04;(IPC1-7):H04Q1/20
主分类号
H04M3/26
代理机构
代理人
主权项
地址
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