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发明名称
Voltage controlled band pass filters
摘要
申请公布号
GB9904641(D0)
申请公布日期
1999.04.21
申请号
GB19990004641
申请日期
1999.03.02
申请人
NEC TECHNOLOGIES (UK) LTD
发明人
分类号
H03J7/04;H03L7/081;H04B1/26;H04B1/40
主分类号
H03J7/04
代理机构
代理人
主权项
地址
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