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发明名称
Frequency control apparatus
摘要
申请公布号
US2562943(A)
申请公布日期
1951.08.07
申请号
US19430516223
申请日期
1943.12.30
申请人
THE SPERRY CORPORATION
发明人
PENSYL DANIEL S.
分类号
H03L7/02
主分类号
H03L7/02
代理机构
代理人
主权项
地址
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