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发明名称
Carrier wave printing telegraph system
摘要
申请公布号
US2033948(A)
申请公布日期
1936.03.17
申请号
US19340705963
申请日期
1934.01.09
申请人
LOWELL PERCIVAL D
发明人
LOWELL PERCIVAL D.
分类号
H04L27/12
主分类号
H04L27/12
代理机构
代理人
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地址
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