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发明名称
Telegraph repeater
摘要
申请公布号
US2607852(A)
申请公布日期
1952.08.19
申请号
US19490130267
申请日期
1949.11.30
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
REA WILTON T.
分类号
H04L5/14;H04L25/04
主分类号
H04L5/14
代理机构
代理人
主权项
地址
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