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发明名称
Apparatus for measuring data signal impairment
摘要
申请公布号
US3057957(A)
申请公布日期
1962.10.09
申请号
US19590817792
申请日期
1959.06.03
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
GIBBY RICHARD A.;KAHL HENRY;JR. JOHN J. MAHONEY,
分类号
H04L12/26;H04L25/04
主分类号
H04L12/26
代理机构
代理人
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地址
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