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经营范围
发明名称
Echoentzerrer mit Anpassungsnetzwerk
摘要
申请公布号
DE1931241(A1)
申请公布日期
1971.02.25
申请号
DE19691931241
申请日期
1969.06.20
申请人
SIEMENS AG
发明人
HOFMANN,FRIEDRICH;LAMBERT,GEORG,DIPL.-ING.
分类号
H04L25/03
主分类号
H04L25/03
代理机构
代理人
主权项
地址
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