| 发明名称 |
Усилитель низкой частоты |
| 摘要 |
|
| 申请公布号 |
SU62041(A1) |
申请公布日期 |
1941.11.30 |
| 申请号 |
SU19390036229 |
申请日期 |
1939.03.03 |
| 申请人 |
PANFILOV S.I. |
发明人 |
PANFILOV S.I. |
| 分类号 |
H03F3/28;H03F1/36 |
主分类号 |
H03F3/28 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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