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发明名称
Printing telegraph
摘要
申请公布号
US2135398(A)
申请公布日期
1938.11.01
申请号
US19380200540
申请日期
1938.04.06
申请人
HORN JAMES LOUIS;SPENCER JAMES DON
发明人
JAMES LOUIS HORN;JAMES DON SPENCER
分类号
H04L5/24;H04L7/00
主分类号
H04L5/24
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代理人
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