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发明名称
Method of adjusting a frequency response in a three-conductor type filter device
摘要
申请公布号
EP0414619(B1)
申请公布日期
1997.01.02
申请号
EP19900420287
申请日期
1990.06.18
申请人
NGK SPARK PLUG CO. LTD.
发明人
SHIMIZU, HIROYUKI;ITO, KENJI;WAKITA, NAOMASA
分类号
H01P1/203;H01P1/205;(IPC1-7):H01P1/203
主分类号
H01P1/203
代理机构
代理人
主权项
地址
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