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发明名称
Multiplex multiline carrier system
摘要
申请公布号
US2142316(A)
申请公布日期
1939.01.03
申请号
US19370159667
申请日期
1937.08.18
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
HUBER GEORGE H.
分类号
H04J1/12;H04J1/14
主分类号
H04J1/12
代理机构
代理人
主权项
地址
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