| 发明名称 |
Звуковая коробка |
| 摘要 |
|
| 申请公布号 |
SU28043(A1) |
申请公布日期 |
1932.10.31 |
| 申请号 |
SU19310095573 |
申请日期 |
1931.10.07 |
| 申请人 |
MIKHAJLOVSKIJ E.A. |
发明人 |
MIKHAJLOVSKIJ E.A. |
| 分类号 |
G11B21/00 |
主分类号 |
G11B21/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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