| 发明名称 |
Liftable and collapsible barrage |
| 摘要 |
An artificial dam or barrage which is adapted to be moved vertically from the bottom of the waterway in which it is installed is provided with a sheet of flexible material fixed to the bottom of the waterway and suspended with flexible cables above the bottom of the waterway.
|
| 申请公布号 |
US4229119(A) |
申请公布日期 |
1980.10.21 |
| 申请号 |
US19780897750 |
申请日期 |
1978.04.17 |
| 申请人 |
PIRELLI FURLANIS-APPLICAZIONI IDRAULICHE AGRICOLE GOMMA S.P.A. |
发明人 |
BORCA, BRUNO;CALZA, FRANCESCO |
| 分类号 |
E02B7/00;(IPC1-7):E02B7/20 |
主分类号 |
E02B7/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
