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经营范围
发明名称
Gain control circuits
摘要
申请公布号
US2066514(A)
申请公布日期
1937.01.05
申请号
US19360076020
申请日期
1936.04.23
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BEYER JESSE W.;TERRY DONALD M.
分类号
H04B3/10
主分类号
H04B3/10
代理机构
代理人
主权项
地址
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