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发明名称
LADDER-TYPE ELECTRIC FILTER
摘要
申请公布号
JPH03253109(A)
申请公布日期
1991.11.12
申请号
JP19900051948
申请日期
1990.03.01
申请人
NGK SPARK PLUG CO LTD
发明人
NAKAGAWA YASUHIKO;KAWAKAMI KENJI
分类号
H03H9/58
主分类号
H03H9/58
代理机构
代理人
主权项
地址
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