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发明名称
Selector
摘要
申请公布号
US2404814(A)
申请公布日期
1946.07.30
申请号
US19450574288
申请日期
1945.01.24
申请人
RADIO CORPORATION
发明人
REINHOLD LEONHARD F.;SPENCER JAMES A.
分类号
H04L15/26
主分类号
H04L15/26
代理机构
代理人
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地址
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