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经营范围
发明名称
Telegraph storage system
摘要
申请公布号
US2186898(A)
申请公布日期
1940.01.09
申请号
US19350039332
申请日期
1935.09.05
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
D'HUMY FERNAND E.;FRANKLIN LAWRENCE W.
分类号
H04L25/04;H04L25/05;H04M11/06
主分类号
H04L25/04
代理机构
代理人
主权项
地址
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