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发明名称
VERFAHREN UND SCHALTUNGSANORDNUNG ZUR PRUEFUNG VON VERBINDUNGSWEGEN IN VERMITTLUNGSANLAGEN
摘要
申请公布号
DE2518470(B2)
申请公布日期
1976.09.23
申请号
DE19752518470
申请日期
1975.04.25
申请人
发明人
分类号
H04Q1/24;H04Q3/00;(IPC1-7):H04Q1/24
主分类号
H04Q1/24
代理机构
代理人
主权项
地址
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