JPH0278683U - - Google Patents
Info
- Publication number
- JPH0278683U JPH0278683U JP13562789U JP13562789U JPH0278683U JP H0278683 U JPH0278683 U JP H0278683U JP 13562789 U JP13562789 U JP 13562789U JP 13562789 U JP13562789 U JP 13562789U JP H0278683 U JPH0278683 U JP H0278683U
- Authority
- JP
- Japan
- Prior art keywords
- wall
- block
- vertical wall
- underdrain
- thickness
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13562789U JPH0439905Y2 (en]) | 1989-11-22 | 1989-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13562789U JPH0439905Y2 (en]) | 1989-11-22 | 1989-11-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0278683U true JPH0278683U (en]) | 1990-06-18 |
| JPH0439905Y2 JPH0439905Y2 (en]) | 1992-09-18 |
Family
ID=31395425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13562789U Expired JPH0439905Y2 (en]) | 1989-11-22 | 1989-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439905Y2 (en]) |
-
1989
- 1989-11-22 JP JP13562789U patent/JPH0439905Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0439905Y2 (en]) | 1992-09-18 |