JPH04997U - - Google Patents
Info
- Publication number
- JPH04997U JPH04997U JP1990038844U JP3884490U JPH04997U JP H04997 U JPH04997 U JP H04997U JP 1990038844 U JP1990038844 U JP 1990038844U JP 3884490 U JP3884490 U JP 3884490U JP H04997 U JPH04997 U JP H04997U
- Authority
- JP
- Japan
- Prior art keywords
- connecting pipe
- tube
- air
- pipe
- fitted
- 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
- 239000006185 dispersion Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims 1
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
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990038844U JPH04997U (en, 2012) | 1990-04-11 | 1990-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990038844U JPH04997U (en, 2012) | 1990-04-11 | 1990-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04997U true JPH04997U (en, 2012) | 1992-01-07 |
Family
ID=31547218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990038844U Pending JPH04997U (en, 2012) | 1990-04-11 | 1990-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04997U (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08154970A (ja) * | 1992-07-02 | 1996-06-18 | Ayako Nishio | 薬局方生理用ナプキン |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53144154A (en) * | 1977-05-20 | 1978-12-15 | Matsushita Electric Works Ltd | Gas diffusion device in waste water treating device |
-
1990
- 1990-04-11 JP JP1990038844U patent/JPH04997U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53144154A (en) * | 1977-05-20 | 1978-12-15 | Matsushita Electric Works Ltd | Gas diffusion device in waste water treating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08154970A (ja) * | 1992-07-02 | 1996-06-18 | Ayako Nishio | 薬局方生理用ナプキン |