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发明名称
Усилитель-ограничитель телеграфных сигналов
摘要
申请公布号
SU66776(A1)
申请公布日期
1945.11.30
申请号
SU19440334480
申请日期
1944.09.16
申请人
SAVELEV A.A.
发明人
SAVELEV A.A.
分类号
H04L15/18;H03G11/00
主分类号
H04L15/18
代理机构
代理人
主权项
地址
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