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发明名称
摘要
申请公布号
DE3305194(C2)
申请公布日期
1989.10.05
申请号
DE19833305194
申请日期
1983.02.11
申请人
DEUTSCHE TELEPHONWERKE UND KABELINDUSTRIE AG, 1000 BERLIN, DE
发明人
JAECKEL, HORST;SCHROETER, JUERGEN, 1000 BERLIN, DE
分类号
H04M7/14;H04Q11/04
主分类号
H04M7/14
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代理人
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