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发明名称
Control means for telegraph printers and projectors
摘要
申请公布号
US2027026(A)
申请公布日期
1936.01.07
申请号
US19310577356
申请日期
1931.11.25
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
DIRKES ROBERT F.;WHEELER EVAN R.
分类号
H04L13/18
主分类号
H04L13/18
代理机构
代理人
主权项
地址
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