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发明名称
Communication sysem, intermediate relay repeater station
摘要
申请公布号
US2833861(A)
申请公布日期
1958.05.06
申请号
US19520313278
申请日期
1952.10.06
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
ANDERSON FRITHIOF B.;EDSON JAMES O.
分类号
H04J3/14
主分类号
H04J3/14
代理机构
代理人
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地址
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