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发明名称
Устройство для трансляции импульсов
摘要
申请公布号
SU57473(A1)
申请公布日期
1939.11.30
申请号
SU19380001215
申请日期
1938.12.26
申请人
VEJNRAUB L.M.;SOKOLOV B.P.
发明人
VEJNRAUB L.M.;SOKOLOV B.P.
分类号
H04Q3/04;H04M7/12
主分类号
H04Q3/04
代理机构
代理人
主权项
地址
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