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发明名称
AUTOMATIC FREQUENCY CONTROL SYSTEMS
摘要
申请公布号
CA527774(A)
申请公布日期
1956.07.17
申请号
CAD527774
申请日期
申请人
CANADIAN MARCONI COMPANY
发明人
CHARLES P. BEANLAND;KRZYSZTOF CYBULSKI
分类号
主分类号
代理机构
代理人
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