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发明名称
Electronic telegraph relay circuits
摘要
申请公布号
US2701277(A)
申请公布日期
1955.02.01
申请号
US19510248299
申请日期
1951.09.26
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
TERRY VICTOR JOHN
分类号
H04L25/06
主分类号
H04L25/06
代理机构
代理人
主权项
地址
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