JPS625072Y2 - - Google Patents
Info
- Publication number
- JPS625072Y2 JPS625072Y2 JP6576780U JP6576780U JPS625072Y2 JP S625072 Y2 JPS625072 Y2 JP S625072Y2 JP 6576780 U JP6576780 U JP 6576780U JP 6576780 U JP6576780 U JP 6576780U JP S625072 Y2 JPS625072 Y2 JP S625072Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- holes
- stop
- underdrain
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6576780U JPS625072Y2 (xx) | 1980-05-14 | 1980-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6576780U JPS625072Y2 (xx) | 1980-05-14 | 1980-05-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56168530U JPS56168530U (xx) | 1981-12-12 |
| JPS625072Y2 true JPS625072Y2 (xx) | 1987-02-05 |
Family
ID=29659880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6576780U Expired JPS625072Y2 (xx) | 1980-05-14 | 1980-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS625072Y2 (xx) |
-
1980
- 1980-05-14 JP JP6576780U patent/JPS625072Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56168530U (xx) | 1981-12-12 |
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