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发明名称
Telegraph signal repeating system
摘要
申请公布号
US2101243(A)
申请公布日期
1937.12.07
申请号
US19350026030
申请日期
1935.06.11
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
CUMMINGS GEORGE C.
分类号
H04L25/04;H04L25/24
主分类号
H04L25/04
代理机构
代理人
主权项
地址
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