JPH0232059Y2 - - Google Patents
Info
- Publication number
- JPH0232059Y2 JPH0232059Y2 JP1983061854U JP6185483U JPH0232059Y2 JP H0232059 Y2 JPH0232059 Y2 JP H0232059Y2 JP 1983061854 U JP1983061854 U JP 1983061854U JP 6185483 U JP6185483 U JP 6185483U JP H0232059 Y2 JPH0232059 Y2 JP H0232059Y2
- Authority
- JP
- Japan
- Prior art keywords
- air
- water
- coral
- stone
- air stone
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Farming Of Fish And Shellfish (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983061854U JPS59166657U (ja) | 1983-04-25 | 1983-04-25 | エアスト−ン |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983061854U JPS59166657U (ja) | 1983-04-25 | 1983-04-25 | エアスト−ン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59166657U JPS59166657U (ja) | 1984-11-08 |
| JPH0232059Y2 true JPH0232059Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-08-30 |
Family
ID=30192069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983061854U Granted JPS59166657U (ja) | 1983-04-25 | 1983-04-25 | エアスト−ン |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59166657U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2782360B2 (ja) * | 1989-07-21 | 1998-07-30 | 大成建設株式会社 | 水質の改善方法 |
-
1983
- 1983-04-25 JP JP1983061854U patent/JPS59166657U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59166657U (ja) | 1984-11-08 |
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