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发明名称
Coupon-feed mechanism for telegraph printers
摘要
申请公布号
US1770888(A)
申请公布日期
1930.07.15
申请号
US19290381567
申请日期
1929.07.27
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
LONG JAMES W.;SORTORE EMERSON J.
分类号
H04L13/06
主分类号
H04L13/06
代理机构
代理人
主权项
地址
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