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发明名称
FREQUENCY COMPARATOR
摘要
申请公布号
US3537009(A)
申请公布日期
1970.10.27
申请号
USD3537009
申请日期
1968.02.21
申请人
NAVY USA
发明人
CHARLES S. BROOKS JR.;RICHARD H. DEVLIN
分类号
G01R23/00;(IPC1-7):H04B1/04
主分类号
G01R23/00
代理机构
代理人
主权项
地址
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