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发明名称
A METHOD FOR TUNING A FILTER AND A FILTER
摘要
申请公布号
GB9200421(D0)
申请公布日期
1992.02.26
申请号
GB19920000421
申请日期
1992.01.09
申请人
SOLITRA OY
发明人
分类号
H01P1/205;H01P7/04;H03J5/02;H03J5/14
主分类号
H01P1/205
代理机构
代理人
主权项
地址
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