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经营范围
发明名称
MECHANICAL FILTER
摘要
PURPOSE:To simplify the structure of a polarized mechanical filter by achieving more than three units of the attenuation pole at the upper and lower parts of the pass band with an optional frequency.
申请公布号
JPS5370738(A)
申请公布日期
1978.06.23
申请号
JP19760147295
申请日期
1976.12.07
申请人
NIPPON ELECTRIC CO
发明人
NAKAUCHI YOSHIO;YANO TAKESHI
分类号
H03H9/46;H03H9/50
主分类号
H03H9/46
代理机构
代理人
主权项
地址
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