| 发明名称 |
Soil sampling apparatus and a geological observation method using the same |
| 摘要 |
A soil sampling apparatus includes a sampling box for penetrating the ground first, and a shutter plate for subsequently penetrating the ground while engaging with the sampling box, thereby sampling soil layers located in a space surrounded by the sampling box and the shutter plate.
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| 申请公布号 |
US6009958(A) |
申请公布日期 |
2000.01.04 |
| 申请号 |
US19970919780 |
申请日期 |
1997.08.29 |
| 申请人 |
PRESIDENT OF HIROSHIMA UNIVERSITY |
发明人 |
NAKATA, TAKASHI;SHIMAZAKI, KUNIHIKO |
| 分类号 |
E02F5/00;E21B25/00;E21B49/02;(IPC1-7):E21B49/02 |
主分类号 |
E02F5/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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