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发明名称
Frequency modulation
摘要
申请公布号
US2557979(A)
申请公布日期
1951.06.26
申请号
US19480006702
申请日期
1948.02.06
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
LABIN EMILE
分类号
H03C3/28;H03C7/02
主分类号
H03C3/28
代理机构
代理人
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地址
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