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发明名称
Ground potential and line interference correcting apparatus and method
摘要
申请公布号
US2561401(A)
申请公布日期
1951.07.24
申请号
US19490070318
申请日期
1949.01.11
申请人
TELAUTOGRAPH CORPORATION
发明人
MORRIS RICHARD L.;DETWEILER FREDERICK H.
分类号
H04L25/06;H04N1/00
主分类号
H04L25/06
代理机构
代理人
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