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发明名称
Keyboard operated telegraph transmitter
摘要
申请公布号
US2977413(A)
申请公布日期
1961.03.28
申请号
US19570669098
申请日期
1957.07.01
申请人
TELEPRINTER CORPORATION
发明人
HOWARD BERNARD
分类号
H04L17/04
主分类号
H04L17/04
代理机构
代理人
主权项
地址
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