| 发明名称 |
DEVICE FOR PUMPING WATER OUT OF WELL |
| 摘要 |
FIELD: receiving water from wells. SUBSTANCE: upper outer portion of housing 5 is made in form of ball-ellipsoid with taper end-piece 26 and circular bore under ball-ellipsoid. EFFECT: enhanced stability of operation; low cost of operation of object. 3 cl, 3 dwg
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| 申请公布号 |
RU2115832(C1) |
申请公布日期 |
1998.07.20 |
| 申请号 |
RU19960104770 |
申请日期 |
1996.03.12 |
| 申请人 |
SHEMETOV MIKHAIL IVANOVICH |
发明人 |
SHEMETOV MIKHAIL IVANOVICH |
| 分类号 |
F04F7/00;(IPC1-7):F04F7/00 |
主分类号 |
F04F7/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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