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发明名称
Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen, in denen Verbindungen ueber mehrstufige Koppelfelder durchgeschaltet werden
摘要
申请公布号
DE1133766(B)
申请公布日期
1962.07.26
申请号
DE1961S074685
申请日期
1961.07.06
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
VILLMANN WALTER
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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