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发明名称
Telegraph signal regenerating apparatus
摘要
申请公布号
US2118069(A)
申请公布日期
1938.05.24
申请号
US19360092551
申请日期
1936.07.25
申请人
THE COMMERCIAL CABLE COMPANY
发明人
CONNERY ALDER F.
分类号
H04L25/04;H04L25/46
主分类号
H04L25/04
代理机构
代理人
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地址
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