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发明名称
Automatic telegraph station selector
摘要
申请公布号
US2874210(A)
申请公布日期
1959.02.17
申请号
US19540425259
申请日期
1954.04.23
申请人
TELETYPE CORPORATION
发明人
DOERRFELD ROBERT L.
分类号
H04L12/40
主分类号
H04L12/40
代理机构
代理人
主权项
地址
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