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发明名称
Communication system
摘要
申请公布号
US2821571(A)
申请公布日期
1958.01.28
申请号
US19560575115
申请日期
1956.03.30
申请人
RADIO CORPORATION OF AMERICA
发明人
HARRIS JAMES S.
分类号
H04L25/24
主分类号
H04L25/24
代理机构
代理人
主权项
地址
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