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发明名称
Schaltungsanordnung fuer Freisprech- und Lauthoereinrichtungen bei Fernsprechapparaten
摘要
申请公布号
DE3606516(C1)
申请公布日期
1987.06.19
申请号
DE19863606516
申请日期
1986.02.28
申请人
TELEFONBAU UND NORMALZEIT GMBH, 6000 FRANKFURT, DE
发明人
DAFFNER, KLAUS, DIPL.-ING.(TH), 6078 NEU-ISENBURG, DE;BRUNNER, UDO, DIPL.-ING.(FH), 6000 FRANKFURT, DE;SCHROEDER, WOLFGANG, DIPL.-ING.(TH), 6236 ESCHBORN, DE
分类号
H04Q3/54;H04M9/08;H04Q3/58;H04Q3/62;(IPC1-7):H04M1/60;H04Q1/56
主分类号
H04Q3/54
代理机构
代理人
主权项
地址
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