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发明名称
Cable testing method by transmitting pulses of different rates of propagation
摘要
申请公布号
US2522362(A)
申请公布日期
1950.09.12
申请号
US19480064653
申请日期
1948.12.10
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
GILBERT JOHN J.
分类号
G01R31/08
主分类号
G01R31/08
代理机构
代理人
主权项
地址
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