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发明名称
Measurement of cross-talk
摘要
申请公布号
US1888266(A)
申请公布日期
1932.11.22
申请号
US19300478509
申请日期
1930.08.28
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
HERMAN JOSEPH
分类号
H04B3/46
主分类号
H04B3/46
代理机构
代理人
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地址
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