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发明名称
Improvements relating to radio receivers with automatic volume control
摘要
申请公布号
GB503638(A)
申请公布日期
1939.04.12
申请号
GB19370033010
申请日期
1937.11.30
申请人
E. K. COLE LIMITED;HUGH ALLAN BROOKE
发明人
分类号
H03G3/22
主分类号
H03G3/22
代理机构
代理人
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