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发明名称
Start-stop telegraph repeater
摘要
申请公布号
US2028835(A)
申请公布日期
1936.01.28
申请号
US19340749634
申请日期
1934.10.23
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
HERMAN JOSEPH
分类号
H04L25/04;H04L25/20
主分类号
H04L25/04
代理机构
代理人
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