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发明名称
CIRCUIT ARRANGEMENT FOR AUTOMATIC CONTINUOUS TUNING OF RC BAND BLOCKING FILTERS IN NON-LINEAR DISTORTION METERS
摘要
申请公布号
PL151568(B2)
申请公布日期
1990.09.28
申请号
PL19880271709
申请日期
1988.04.07
申请人
发明人
分类号
G01R;G01R23/20;H03J3/06;(IPC1-7):G01R23/20
主分类号
G01R
代理机构
代理人
主权项
地址
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