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发明名称
Regenerative telegraph repeater
摘要
申请公布号
US2357840(A)
申请公布日期
1944.09.12
申请号
US19410380440
申请日期
1941.02.25
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
MARTIN WADE B.
分类号
H04L25/04;H04L25/20
主分类号
H04L25/04
代理机构
代理人
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