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发明名称
Printing telegraph system
摘要
申请公布号
US1869994(A)
申请公布日期
1932.08.02
申请号
US19300474894
申请日期
1930.08.13
申请人
BAKER JAMES N
发明人
BAKER JAMES N.
分类号
H04L19/00
主分类号
H04L19/00
代理机构
代理人
主权项
地址
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