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发明名称
Reduction of static interference in carrier systems
摘要
申请公布号
US1752325(A)
申请公布日期
1930.04.01
申请号
US19280319654
申请日期
1928.11.15
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
BRANSON DAVID E.
分类号
H04L25/08
主分类号
H04L25/08
代理机构
代理人
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