| 发明名称 |
Filter for use in a vertical drain, comprises a cylinder of woven or non-woven textile supported by a concrete base plate |
| 摘要 |
<p>Filter for use in a vertical drain (1) comprises a cylinder (6) of woven or non-woven textile which is supported by a concrete base plate (10).</p> |
| 申请公布号 |
DE20307105(U1) |
申请公布日期 |
2003.10.23 |
| 申请号 |
DE2003207105U |
申请日期 |
2003.05.08 |
| 申请人 |
SCHRECK, PAUL |
发明人 |
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| 分类号 |
B01D29/23;B01D39/08;E03F1/00;E03F5/02;(IPC1-7):E03F5/02;E03F11/00;B01D35/02 |
主分类号 |
B01D29/23 |
| 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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