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发明名称
Tape control mechanism
摘要
申请公布号
US1994017(A)
申请公布日期
1935.03.12
申请号
US19320616306
申请日期
1932.06.09
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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