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发明名称
Signal distortion indicating and measuring device
摘要
申请公布号
US2102719(A)
申请公布日期
1937.12.21
申请号
US19340738416
申请日期
1934.08.04
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
KINKEAD FULLERTON S.
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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