JPS4948149A - - Google Patents
Info
- Publication number
- JPS4948149A JPS4948149A JP47091123A JP9112372A JPS4948149A JP S4948149 A JPS4948149 A JP S4948149A JP 47091123 A JP47091123 A JP 47091123A JP 9112372 A JP9112372 A JP 9112372A JP S4948149 A JPS4948149 A JP S4948149A
- Authority
- JP
- Japan
- 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
- Activated Sludge Processes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47091123A JPS4948149A (ja) | 1972-09-11 | 1972-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47091123A JPS4948149A (ja) | 1972-09-11 | 1972-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4948149A true JPS4948149A (ja) | 1974-05-10 |
Family
ID=14017734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47091123A Pending JPS4948149A (ja) | 1972-09-11 | 1972-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4948149A (ja) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50126277A (ja) * | 1974-03-22 | 1975-10-03 | ||
| JPS56155862A (en) * | 1980-05-07 | 1981-12-02 | Komatsu Ltd | Frequency measuring method |
| JPS58129368A (ja) * | 1982-01-29 | 1983-08-02 | Toshiba Corp | 周波数検出方法 |
| JPS61186865A (ja) * | 1985-02-14 | 1986-08-20 | Meidensha Electric Mfg Co Ltd | 周波数継電器 |
| JPS63228076A (ja) * | 1986-08-20 | 1988-09-22 | Matsushita Electric Ind Co Ltd | デイジタル周期測定装置 |
| JPS63285472A (ja) * | 1987-05-19 | 1988-11-22 | Hitachi Ltd | 周波数検出装置 |
| JPH01267464A (ja) * | 1988-04-18 | 1989-10-25 | Fuji Electric Co Ltd | 交流電気量の計測装置 |
-
1972
- 1972-09-11 JP JP47091123A patent/JPS4948149A/ja active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50126277A (ja) * | 1974-03-22 | 1975-10-03 | ||
| JPS56155862A (en) * | 1980-05-07 | 1981-12-02 | Komatsu Ltd | Frequency measuring method |
| JPS58129368A (ja) * | 1982-01-29 | 1983-08-02 | Toshiba Corp | 周波数検出方法 |
| JPS61186865A (ja) * | 1985-02-14 | 1986-08-20 | Meidensha Electric Mfg Co Ltd | 周波数継電器 |
| JPH0740051B2 (ja) * | 1985-02-14 | 1995-05-01 | 株式会社明電舍 | 周波数継電器 |
| JPS63228076A (ja) * | 1986-08-20 | 1988-09-22 | Matsushita Electric Ind Co Ltd | デイジタル周期測定装置 |
| JPS63285472A (ja) * | 1987-05-19 | 1988-11-22 | Hitachi Ltd | 周波数検出装置 |
| JPH01267464A (ja) * | 1988-04-18 | 1989-10-25 | Fuji Electric Co Ltd | 交流電気量の計測装置 |