| 发明名称 |
ELIMINATING METHOD OF SEDIMENT FOR PERMEABLE CHECK DAM AND PERMEABLE CHECK DAM |
| 摘要 |
PROBLEM TO BE SOLVED: To perform the elimination of sediment without requiring much cost and labor. SOLUTION: The component of a dam is partially removed to extend the slit pure space (L2 ) of the dam, whereby the sediment is washed away to the downstream side by natural flowing water and eliminated.
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| 申请公布号 |
JP2003055942(A) |
申请公布日期 |
2003.02.26 |
| 申请号 |
JP20010248241 |
申请日期 |
2001.08.17 |
| 申请人 |
NIPPON KOKAN LIGHT STEEL KK |
发明人 |
WAKAMATSU SEIJI;MINOWA TOSHIHIKO;SHIRAHAMA HIROYASU;FUKUCHI OSAMU |
| 分类号 |
E02B7/02;(IPC1-7):E02B7/02 |
主分类号 |
E02B7/02 |
| 代理机构 |
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