| 发明名称 |
Apparatus for circulating water in lakes to improve aeration comprises pipe mounted under raft, water flowing up pipe and out through its top, which is below surface |
| 摘要 |
<p>Apparatus for circulating water in lakes (10) comprises a pipe (17) which is mounted under a raft (16). Water flows up the pipe and out through its top, which is below the surface.</p> |
| 申请公布号 |
DE202004008003(U1) |
申请公布日期 |
2004.10.14 |
| 申请号 |
DE20042008003U |
申请日期 |
2004.05.18 |
| 申请人 |
WIRTH, RAINER |
发明人 |
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| 分类号 |
C02F1/74;C02F7/00;(IPC1-7):C02F7/00 |
主分类号 |
C02F1/74 |
| 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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