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经营范围
发明名称
摘要
PURPOSE:To secure adjustment of attenuation property by providing branch route which couples two resonators placed distant each other, for BPF consisting of more than three resonators.
申请公布号
JPS5648083(B2)
申请公布日期
1981.11.13
申请号
JP19760017738
申请日期
1976.02.20
申请人
发明人
分类号
H01P1/203;H01P1/207;H01P1/208;H01P1/209
主分类号
H01P1/203
代理机构
代理人
主权项
地址
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