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发明名称
Frequency comparison rate servo
摘要
申请公布号
US2932778(A)
申请公布日期
1960.04.12
申请号
US19590811501
申请日期
1959.05.06
申请人
LITTON INDUSTRIES OF CALIFORNIA
发明人
CURTIS DANIEL L.
分类号
H02P23/00
主分类号
H02P23/00
代理机构
代理人
主权项
地址
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