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发明名称
Improvements in electric circuits employing feedback
摘要
申请公布号
GB529595(A)
申请公布日期
1940.11.25
申请号
GB19390015014
申请日期
1939.05.19
申请人
ELECTRICAL RESEARCH PRODUCTS INC.;SAMUEL HENRY WILSON BROWNING
发明人
分类号
H03F1/36
主分类号
H03F1/36
代理机构
代理人
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