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发明名称
Dielectric filter
摘要
申请公布号
EP0645836(B1)
申请公布日期
1999.08.25
申请号
EP19940307067
申请日期
1994.09.28
申请人
NGK SPARK PLUG CO., LTD.
发明人
ITO, KENJI
分类号
H01P1/205;H01P11/00;(IPC1-7):H01P1/205
主分类号
H01P1/205
代理机构
代理人
主权项
地址
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