| 发明名称 |
CONSTRUCTION OF PASSAGE |
| 摘要 |
|
| 申请公布号 |
JPS57201493(A) |
申请公布日期 |
1982.12.09 |
| 申请号 |
JP19810085911 |
申请日期 |
1981.06.03 |
| 申请人 |
KUBOTA TEKKO KK |
发明人 |
NAKANISHI IWAO |
| 分类号 |
E21D9/04 |
主分类号 |
E21D9/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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