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发明名称
Phase comparator
摘要
申请公布号
US2943259(A)
申请公布日期
1960.06.28
申请号
US19570695471
申请日期
1957.11.08
申请人
HATCH JR RICHARD M
发明人
JR. RICHARD M. HATCH,
分类号
G01R25/00
主分类号
G01R25/00
代理机构
代理人
主权项
地址
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