| 发明名称 |
FISHWAY BLOCK, FISHWAY STRUCTURE BY MEANS OF FISHWAY BLOCKS, CONSTRUCTION METHOD OF FISHWAY STRUCTURE, AND CONNECTION STRUCTURE FOR CONNECTING FISHWAY STRUCTURE WITH THE OTHER WATERWAY STRUCTURE INCLUDING THE FISHWAY STRUCTURE |
| 摘要 |
|
| 申请公布号 |
JPH06257125(A) |
申请公布日期 |
1994.09.13 |
| 申请号 |
JP19930082359 |
申请日期 |
1993.03.04 |
| 申请人 |
RIBAA FURONTO SEIBI CENTER |
发明人 |
SHIRAI KENICHI;TAKAHASHI SADAO;OKUYAMA SHUHEI;NAKAMURA SHUNROKU;INUTSUKA HISAO |
| 分类号 |
E02B8/08;E02B5/02;(IPC1-7):E02B8/08 |
主分类号 |
E02B8/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
