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发明名称
Радиотелеграфный приемник
摘要
申请公布号
SU42613(A1)
申请公布日期
1935.04.30
申请号
SU19340157339
申请日期
1934.10.17
申请人
DERKACH A.I.;EFRUSI YA.I.
发明人
DERKACH A.I.;EFRUSI YA.I.
分类号
H03F1/30
主分类号
H03F1/30
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代理人
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