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发明名称
Variable bandwidth filter
摘要
申请公布号
GB9718607(D0)
申请公布日期
1997.11.05
申请号
GB19970018607
申请日期
1997.09.02
申请人
SONY UNITED KINGDOM LIMITED
发明人
分类号
H03D7/16
主分类号
H03D7/16
代理机构
代理人
主权项
地址
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