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发明名称
Schaltungsanordnung zur Meldung der den Wahlbeginn kennzeichnenden Schleifenstromabsenkungen in Fernsprechvermittlungseinrichtungen
摘要
申请公布号
AT239321(B)
申请公布日期
1965.03.25
申请号
AT19630005063
申请日期
1963.06.24
申请人
TELEFUNKEN PATENTVERWERTUNGSGESELLSCHAFT M. B. H.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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