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发明名称
Усилитель постоянного тока с отрицательной обратной связью
摘要
申请公布号
SU117136(A1)
申请公布日期
1957.11.30
申请号
SU19570564921
申请日期
1957.01.19
申请人
UVAROV V.A.
发明人
UVAROV V.A.
分类号
H03F3/34;H03F1/34
主分类号
H03F3/34
代理机构
代理人
主权项
地址
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