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发明名称
Telegraph repeater
摘要
申请公布号
US2521716(A)
申请公布日期
1950.09.12
申请号
US19460714091
申请日期
1946.12.04
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HAIGH LESLIE BAINES
分类号
H04L25/04;H04L25/20
主分类号
H04L25/04
代理机构
代理人
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