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发明名称
Schaltungsanordnung fuer einen Fernsprechmelder zum Anschluss an eine ruhestromueberwachte Linienleitung einer Meldezentrale
摘要
申请公布号
DE1766849(A1)
申请公布日期
1971.09.23
申请号
DE19681766849
申请日期
1968.07.27
申请人
TELEFONBAU UND NORMALZEIT GMBH
发明人
DARDAT,WERNER
分类号
H04M11/04
主分类号
H04M11/04
代理机构
代理人
主权项
地址
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