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发明名称
Carrier telegraph system
摘要
申请公布号
US2667536(A)
申请公布日期
1954.01.26
申请号
US19510240628
申请日期
1951.08.07
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
GARDNER LELAND A.;HYSKO JOHN L.
分类号
H04L27/10
主分类号
H04L27/10
代理机构
代理人
主权项
地址
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