| 发明名称 |
Floating vessel with moon well and ice guard therefor |
| 摘要 |
Large vessel having an opening in the bottom of the hull said hull portion being provided with an upwardly and downwardly movable grid structure shielding the opening against ice flakes which pass along the bottom of the hull.
|
| 申请公布号 |
US4382419(A) |
申请公布日期 |
1983.05.10 |
| 申请号 |
US19800206462 |
申请日期 |
1980.11.13 |
| 申请人 |
IHC HOLLAND N.V. |
发明人 |
VAN DRIMMELEN, NICOLAAS J.;LOEVENDIE, RUDOLF H. |
| 分类号 |
B63B35/08;B63B35/14;B63B35/44;E21B7/128;(IPC1-7):B63B35/02 |
主分类号 |
B63B35/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
