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发明名称
Anordnung fuer Fernsprechtisch- oder -Wandapparate mit einem dem Fernhoerer vorgeschalteten Transistorverstaerker
摘要
申请公布号
DE1085196(B)
申请公布日期
1960.07.14
申请号
DE1959D030443
申请日期
1959.04.16
申请人
DEUTSCHE TELEPHONWERKE;KABELINDUSTRIE AKTIENGESELLSCHAFT
发明人
SCHLUETER HARALD
分类号
H04M1/62
主分类号
H04M1/62
代理机构
代理人
主权项
地址
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