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发明名称
Усилитель с положительной обратной связью
摘要
申请公布号
SU60516(A1)
申请公布日期
1940.11.30
申请号
SU19390001715
申请日期
1939.06.27
申请人
ILIN V.A.
发明人
ILIN V.A.
分类号
H03F1/40
主分类号
H03F1/40
代理机构
代理人
主权项
地址
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