JPH01107427U - - Google Patents
Info
- Publication number
- JPH01107427U JPH01107427U JP1987201517U JP20151787U JPH01107427U JP H01107427 U JPH01107427 U JP H01107427U JP 1987201517 U JP1987201517 U JP 1987201517U JP 20151787 U JP20151787 U JP 20151787U JP H01107427 U JPH01107427 U JP H01107427U
- Authority
- JP
- Japan
- Prior art keywords
- water quality
- quality improvement
- propeller
- rotating shaft
- hollow rotating
- 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
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 |
|---|---|---|---|
| JP1987201517U JPH01107427U (enExample) | 1987-12-31 | 1987-12-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987201517U JPH01107427U (enExample) | 1987-12-31 | 1987-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01107427U true JPH01107427U (enExample) | 1989-07-20 |
Family
ID=31491867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987201517U Pending JPH01107427U (enExample) | 1987-12-31 | 1987-12-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01107427U (enExample) |
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1987
- 1987-12-31 JP JP1987201517U patent/JPH01107427U/ja active Pending