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发明名称
Schaltungsanordnung fuer einen Pruefanschluss fuer Nebenstellenanlagen mit Durchwahl
摘要
申请公布号
DE1259403(B)
申请公布日期
1968.01.25
申请号
DE196601S3520
申请日期
1966.04.29
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
NOTTNAGEL WOLF
分类号
H04Q1/26
主分类号
H04Q1/26
代理机构
代理人
主权项
地址
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