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发明名称
Start-stop repeater system
摘要
申请公布号
GB506322(A)
申请公布日期
1939.05.25
申请号
GB19380029842
申请日期
1938.10.14
申请人
CREED AND COMPANY LIMITED
发明人
分类号
H04L25/04;H04L25/20;H04L25/26
主分类号
H04L25/04
代理机构
代理人
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