JPS63176502U - - Google Patents
Info
- Publication number
- JPS63176502U JPS63176502U JP18685086U JP18685086U JPS63176502U JP S63176502 U JPS63176502 U JP S63176502U JP 18685086 U JP18685086 U JP 18685086U JP 18685086 U JP18685086 U JP 18685086U JP S63176502 U JPS63176502 U JP S63176502U
- Authority
- JP
- Japan
- Prior art keywords
- drainage
- perforated plate
- pond
- utility
- block
- 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.)
- Pending
Links
- 239000004576 sand Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18685086U JPS63176502U (cs) | 1986-12-05 | 1986-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18685086U JPS63176502U (cs) | 1986-12-05 | 1986-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63176502U true JPS63176502U (cs) | 1988-11-16 |
Family
ID=31136784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18685086U Pending JPS63176502U (cs) | 1986-12-05 | 1986-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63176502U (cs) |
-
1986
- 1986-12-05 JP JP18685086U patent/JPS63176502U/ja active Pending
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