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发明名称
Verfahren zum Pruefen und Fangen von einer oeffentlichen Vermittlungsstelle aus in eine Fernsprechnebenstellenanlage hinein
摘要
申请公布号
DE1960449(A1)
申请公布日期
1971.06.09
申请号
DE19691960449
申请日期
1969.11.27
申请人
DEUTSCHE TELEPHONWERKE UND KABELINDUSTRIE AG
发明人
KONOPKA,PETER
分类号
H04Q1/26
主分类号
H04Q1/26
代理机构
代理人
主权项
地址
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