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发明名称
Frequency drift detection apparatus
摘要
申请公布号
US3044018(A)
申请公布日期
1962.07.10
申请号
US19590788228
申请日期
1959.01.21
申请人
ORR WILSON JOHN
发明人
WILSON JOHN ORR
分类号
H04L5/08
主分类号
H04L5/08
代理机构
代理人
主权项
地址
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