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发明名称
Automatic frequency control system
摘要
申请公布号
US2789226(A)
申请公布日期
1957.04.16
申请号
US19460655988
申请日期
1946.03.21
申请人
NIBBE GEORGE H
发明人
NIBBE GEORGE H.
分类号
H03J7/04
主分类号
H03J7/04
代理机构
代理人
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