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经营范围
发明名称
A tunable voltage controlled bandpass filter for a direct conversion receiver
摘要
申请公布号
GB2332109(A)
申请公布日期
1999.06.09
申请号
GB19970025674
申请日期
1997.12.04
申请人
* NEC TECHNOLOGIES
发明人
NIGEL JAMES * TOLSON
分类号
H04B1/30;H03D1/22;H03J3/06;(IPC1-7):H03L7/06
主分类号
H04B1/30
代理机构
代理人
主权项
地址
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