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发明名称
Radio frequency filter
摘要
申请公布号
GB708597(A)
申请公布日期
1954.05.05
申请号
GB19520014956
申请日期
1952.06.13
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H01P1/12;H01P1/203;H01P3/08;H01P5/08;H01P5/12;H01Q13/26
主分类号
H01P1/12
代理机构
代理人
主权项
地址
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