| 发明名称 |
Artificial pond |
| 摘要 |
In an artificial pond with a sand layer, a filter layer 4 is provided on the base foundation 1 of the pond, and a drainage system 9, 10, 11 which is attached to an ascending pipe connected to a pump is arranged in the lower area of the filter layer 4. The filter layer can consist of different sub-layers 5, 6, 7, 8 of different grain size. <IMAGE>
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| 申请公布号 |
DE3506745(C1) |
申请公布日期 |
1986.05.22 |
| 申请号 |
DE19853506745 |
申请日期 |
1985.02.26 |
| 申请人 |
HAGMANS, WILLI, 4170 GELDERN, DE |
发明人 |
HAGMANS, WILLI, 4170 GELDERN, DE |
| 分类号 |
A01K63/04;E02B3/16;(IPC1-7):E02B3/00;A01K61/00 |
主分类号 |
A01K63/04 |
| 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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