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发明名称
CONTROLLABLE BANDWIDTH IF FILTER CIRCUIT FOR RADIO RECEIVERS
摘要
申请公布号
GB1500123(A)
申请公布日期
1978.02.08
申请号
GB19760004694
申请日期
1976.02.06
申请人
GENERAL ELECTRIC CO
发明人
分类号
H03H7/12;H03G5/14;H04H20/89;(IPC1-7):H04H5/00
主分类号
H03H7/12
代理机构
代理人
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