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发明名称
Frequency control system
摘要
申请公布号
US2617985(A)
申请公布日期
1952.11.11
申请号
US19500145767
申请日期
1950.02.23
申请人
COLLINS RADIO COMPANY
发明人
COLLINS ARTHUR A.
分类号
H03J7/16
主分类号
H03J7/16
代理机构
代理人
主权项
地址
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