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发明名称
Schaltungsanordnung fuer Fernsprechnebenstellenanlagen mit Waehlerbetrieb
摘要
申请公布号
DE1029049(B)
申请公布日期
1958.04.30
申请号
DE1957D025446
申请日期
1957.04.18
申请人
DEUTSCHE TELEPHONWERKE;KABELINDUSTRIE AKTIENGESELLSCHAFT
发明人
LETTRE CHRISTIAN
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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