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发明名称
Frequency tracking system
摘要
申请公布号
US2996684(A)
申请公布日期
1961.08.15
申请号
US19570702651
申请日期
1957.12.13
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
WOJCIECHOWSKI BOGUMIL M.
分类号
H03B21/02
主分类号
H03B21/02
代理机构
代理人
主权项
地址
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