| 发明名称 |
STEAM-JET VACUUM PUMP |
| 摘要 |
|
| 申请公布号 |
SU1756653(A1) |
申请公布日期 |
1992.08.23 |
| 申请号 |
SU19894663802 |
申请日期 |
1989.03.20 |
| 申请人 |
GUSEV ALEKSANDR L,SU |
发明人 |
GUSEV ALEKSANDR L,SU |
| 分类号 |
F04F9/02;F04F5/14 |
主分类号 |
F04F9/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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