JPS4944969A - - Google Patents
Info
- Publication number
- JPS4944969A JPS4944969A JP47088923A JP8892372A JPS4944969A JP S4944969 A JPS4944969 A JP S4944969A JP 47088923 A JP47088923 A JP 47088923A JP 8892372 A JP8892372 A JP 8892372A JP S4944969 A JPS4944969 A JP S4944969A
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/02—Preparation of nitrogen
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47088923A JPS4944969A (zh) | 1972-09-05 | 1972-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47088923A JPS4944969A (zh) | 1972-09-05 | 1972-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4944969A true JPS4944969A (zh) | 1974-04-27 |
Family
ID=13956423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47088923A Pending JPS4944969A (zh) | 1972-09-05 | 1972-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4944969A (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5010282A (zh) * | 1973-06-01 | 1975-02-01 | ||
| JPS5211714U (zh) * | 1975-07-14 | 1977-01-27 | ||
| JPH01155934A (ja) * | 1987-12-10 | 1989-06-19 | Kokuritsu Kogai Kenkyusho | 道路トンネルにおける換気ガスの浄化方法 |
| JPH01155933A (ja) * | 1987-12-10 | 1989-06-19 | Kokuritsu Kogai Kenkyusho | 道路トンネルにおける換気ガスの浄化方法 |
| WO1998002234A1 (fr) * | 1996-07-11 | 1998-01-22 | Mitsubishi Heavy Industries, Ltd. | Procede de denitration de gaz d'echappement |
-
1972
- 1972-09-05 JP JP47088923A patent/JPS4944969A/ja active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5010282A (zh) * | 1973-06-01 | 1975-02-01 | ||
| JPS5618246B2 (zh) * | 1973-06-01 | 1981-04-27 | ||
| JPS5211714U (zh) * | 1975-07-14 | 1977-01-27 | ||
| JPS5347692Y2 (zh) * | 1975-07-14 | 1978-11-15 | ||
| JPH01155934A (ja) * | 1987-12-10 | 1989-06-19 | Kokuritsu Kogai Kenkyusho | 道路トンネルにおける換気ガスの浄化方法 |
| JPH01155933A (ja) * | 1987-12-10 | 1989-06-19 | Kokuritsu Kogai Kenkyusho | 道路トンネルにおける換気ガスの浄化方法 |
| US6383463B1 (en) | 1996-07-10 | 2002-05-07 | Mitsubishi Heavy Industries, Ltd. | Exhaust gas denitration method |
| WO1998002234A1 (fr) * | 1996-07-11 | 1998-01-22 | Mitsubishi Heavy Industries, Ltd. | Procede de denitration de gaz d'echappement |