CS177928B1 - - Google Patents
Info
- Publication number
- CS177928B1 CS177928B1 CS497772A CS497772A CS177928B1 CS 177928 B1 CS177928 B1 CS 177928B1 CS 497772 A CS497772 A CS 497772A CS 497772 A CS497772 A CS 497772A CS 177928 B1 CS177928 B1 CS 177928B1
- Authority
- CS
- Czechoslovakia
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15688071 | 1971-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS177928B1 true CS177928B1 (OSRAM) | 1977-08-31 |
Family
ID=5484152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS497772A CS177928B1 (OSRAM) | 1971-08-02 | 1972-07-13 |
Country Status (5)
| Country | Link |
|---|---|
| BG (1) | BG24082A1 (OSRAM) |
| CS (1) | CS177928B1 (OSRAM) |
| EG (1) | EG10431A (OSRAM) |
| HU (1) | HU167932B (OSRAM) |
| SU (1) | SU571469A1 (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053881C (zh) * | 1996-03-20 | 2000-06-28 | 中国石油化工总公司 | 一种裂解碳五馏份的分离方法 |
| CN100432045C (zh) * | 2005-12-26 | 2008-11-12 | 山东玉皇化工有限公司 | 碳五萃取解析后n,n-二甲基甲酰胺的再生方法 |
-
1972
- 1972-02-24 EG EG6872A patent/EG10431A/xx active
- 1972-07-13 CS CS497772A patent/CS177928B1/cs unknown
- 1972-07-21 BG BG7200021023A patent/BG24082A1/xx unknown
- 1972-08-01 SU SU7201816977A patent/SU571469A1/ru active
- 1972-08-02 HU HULE000665 patent/HU167932B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SU571469A1 (ru) | 1977-09-05 |
| HU167932B (OSRAM) | 1976-01-28 |
| BG24082A1 (en) | 1978-01-10 |
| EG10431A (en) | 1976-03-31 |