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发明名称
Teletypewriter indicating system
摘要
申请公布号
US2262567(A)
申请公布日期
1941.11.11
申请号
US19400337167
申请日期
1940.05.25
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
VOTAW CLARENCE J.
分类号
H04L12/12
主分类号
H04L12/12
代理机构
代理人
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地址
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