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发明名称
Regenerative signal repeater
摘要
申请公布号
US1956704(A)
申请公布日期
1934.05.01
申请号
US19330679964
申请日期
1933.07.11
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
WEAVER ALLAN
分类号
H04L25/04;H04L25/20
主分类号
H04L25/04
代理机构
代理人
主权项
地址
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