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发明名称
DISPOSITIF A ONDES DE SURFACE, A SUPPRESSION AMELIOREE DES SIGNAUX PARASITES
摘要
申请公布号
BE878757(A1)
申请公布日期
1979.12.31
申请号
BE19790197126
申请日期
1979.09.12
申请人
SIEMENS A.G.
发明人
分类号
H03H3/08;H03H9/02;H03H9/145;H03H9/64;(IPC1-7):H04R/;H04N/
主分类号
H03H3/08
代理机构
代理人
主权项
地址
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