| 发明名称 |
DREDGING DEVICE |
| 摘要 |
|
| 申请公布号 |
JPH01244026(A) |
申请公布日期 |
1989.09.28 |
| 申请号 |
JP19880069649 |
申请日期 |
1988.03.25 |
| 申请人 |
TOA HARBOR WORKS CO LTD |
发明人 |
NISHIKAWA YUTAKA |
| 分类号 |
E02F3/88;E02F3/92 |
主分类号 |
E02F3/88 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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