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发明名称
Frequency shift keyer
摘要
申请公布号
US2476141(A)
申请公布日期
1949.07.12
申请号
US19460692095
申请日期
1946.08.21
申请人
RADIO CORPORATION OF AMERICA
发明人
GODDARD DE WITT RUGG
分类号
H04L27/12
主分类号
H04L27/12
代理机构
代理人
主权项
地址
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