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发明名称
Phase comparator circuits
摘要
申请公布号
US2568250(A)
申请公布日期
1951.09.18
申请号
US19480017705
申请日期
1948.03.29
申请人
THE DECCA RECORD COMPANY, LIMITED
发明人
O'BRIEN WILLIAM J.
分类号
G01R25/00;G01S1/30
主分类号
G01R25/00
代理机构
代理人
主权项
地址
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