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发明名称
Frequency-detector and frequency-control circuits
摘要
申请公布号
US2494795(A)
申请公布日期
1950.01.17
申请号
US19450576057
申请日期
1945.02.03
申请人
PHILCO CORPORATION
发明人
BRADLEY WILLIAM E.
分类号
H03D3/24;H03L7/06
主分类号
H03D3/24
代理机构
代理人
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