| 发明名称 |
DRAIN TILE AND PILE FABRIC FILTER SLEEVE |
| 摘要 |
<p>of the Invention A land drainage line having a tube (11) or the like forming a conduit through which water will be drained and a knitted pile fabric filter sleeve (12) around the drainage line.</p> |
| 申请公布号 |
CA1141978(A) |
申请公布日期 |
1983.03.01 |
| 申请号 |
CA19800364594 |
申请日期 |
1980.11.13 |
| 申请人 |
BEANE, FRANK T. |
发明人 |
BEANE, FRANK T. |
| 分类号 |
E02B11/00;(IPC1-7):E02B11/00;A01G25/06;01G25/06 |
主分类号 |
E02B11/00 |
| 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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