| 发明名称 |
Ore carrier |
| 摘要 |
An ore carrier having an ore chamber and a buoyancy chamber and a door at the top and bottom thereof. The doors being rectractable into the buoyancy chamber when the doors are open for either loading or unloading the ore chamber.
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| 申请公布号 |
US4316682(A) |
申请公布日期 |
1982.02.23 |
| 申请号 |
US19800189560 |
申请日期 |
1980.09.22 |
| 申请人 |
ATLANTIC RICHFIELD COMPANY |
发明人 |
EVANS, HUGH W. |
| 分类号 |
E21C41/00;E21F13/00;(IPC1-7):B65G51/06 |
主分类号 |
E21C41/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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