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发明名称
Automatic gain expander circuit
摘要
申请公布号
US2249181(A)
申请公布日期
1941.07.15
申请号
US19380217114
申请日期
1938.07.02
申请人
RADIO CORPORATION
发明人
JR. FRANCIS H. SHEPARD,
分类号
H03G7/02
主分类号
H03G7/02
代理机构
代理人
主权项
地址
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