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经营范围
发明名称
Electro-mechanical filter
摘要
An electromechanical filter, e.g. two duals, in which undesired resonances are damped out. A special choice of the damping material leads to a substantial improvement.
申请公布号
US4037180(A)
申请公布日期
1977.07.19
申请号
US19760658170
申请日期
1976.02.17
申请人
U.S. PHILIPS CORPORATION
发明人
DE WILD, WILLEM REINDERT
分类号
H03H9/05;H03H9/09;H03H9/56;(IPC1-7):H03H9/02;H03H9/26;H03H9/32
主分类号
H03H9/05
代理机构
代理人
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地址
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