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经营范围
发明名称
Circuit arrangement for feeding an amplifier from the public telephone network
摘要
Published without abstract.
申请公布号
DE3826002(A1)
申请公布日期
1990.02.01
申请号
DE19883826002
申请日期
1988.07.30
申请人
FERNSPRECH- UND SIGNALBAU GMBH & CO KG SCHUELER & VERSHOVEN, 4300 ESSEN, DE
发明人
SCHMIDT, JUERGEN;BOEHME, CLAUS-DETLEF, 4300 ESSEN, DE;SCHILLING, HEINZ-JUERGEN, 4100 DUISBURG, DE;SANDLEITNER, ANDREAS, 4650 GELSENKIRCHEN, DE
分类号
H04M1/60;H04M19/08
主分类号
H04M1/60
代理机构
代理人
主权项
地址
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