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发明名称
Радиотелеграфный аппарат
摘要
申请公布号
SU58619(A1)
申请公布日期
1939.11.30
申请号
SU19390001911
申请日期
1939.11.22
申请人
POZNER E.V.
发明人
POZNER E.V.
分类号
H04L17/12
主分类号
H04L17/12
代理机构
代理人
主权项
地址
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