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发明名称
Telegraph printing system
摘要
申请公布号
US2269559(A)
申请公布日期
1942.01.13
申请号
US19390273846
申请日期
1939.05.16
申请人
RADIO CORPORATION
发明人
SPENCER JAMES A.
分类号
H04L5/22
主分类号
H04L5/22
代理机构
代理人
主权项
地址
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