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发明名称
Verfahren und Anordnung zur Anschaltung von Anrufen an Sonderdienste in Fernsprech-Vermittlungsanlagen
摘要
申请公布号
DE1094310(B)
申请公布日期
1960.12.08
申请号
DE1959ST15528
申请日期
1959.09.01
申请人
STANDARD ELEKTRIK LORENZ AKTIENGESELLSCHAFT
发明人
GRAF DIPL.-ING. DANKWART
分类号
H04M3/54
主分类号
H04M3/54
代理机构
代理人
主权项
地址
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