JPS63179920U - - Google Patents
Info
- Publication number
- JPS63179920U JPS63179920U JP7334487U JP7334487U JPS63179920U JP S63179920 U JPS63179920 U JP S63179920U JP 7334487 U JP7334487 U JP 7334487U JP 7334487 U JP7334487 U JP 7334487U JP S63179920 U JPS63179920 U JP S63179920U
- Authority
- JP
- Japan
- Prior art keywords
- certain level
- filtration part
- extraction
- utility
- water surface
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7334487U JPS63179920U (en]) | 1987-05-15 | 1987-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7334487U JPS63179920U (en]) | 1987-05-15 | 1987-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63179920U true JPS63179920U (en]) | 1988-11-21 |
Family
ID=30917597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7334487U Pending JPS63179920U (en]) | 1987-05-15 | 1987-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63179920U (en]) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5127580B2 (en]) * | 1973-04-02 | 1976-08-13 |
-
1987
- 1987-05-15 JP JP7334487U patent/JPS63179920U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5127580B2 (en]) * | 1973-04-02 | 1976-08-13 |