| Original document(6 pages) Authorized document(6 pages) 中文版 |
A water supply pump with multiple output pressures is characterized by that it has multiple impeller pumps and multiple water outlets. Its advantages are step regulation of water pressure, simple structure and electric system, low cost and saving electric energy. |
Application Number
申请号 |
02130015 |
Application Date
申请日 |
2002.08.12 |
| Title 名称 |
Multi-stage variable pressure water supply pump for supply of water in city |
Publication Number
公开号 |
1401911 |
Publication Date
公开日 |
2003.03.12 |
| Approval Pub. Date |
|
Granted Pub. Date |
2004.10.20 |
| International Classification 分类号 |
E03B5/00,F04D1/06 |
Applicant(s) Name
申请人 |
Lai Xuanqin |
| Address 地址 |
430015 |
| Inventor(s) Name 发明人 |
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| Attorney & Agent 代理人 |
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| More information 更 多 信 息 |
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