DD109918A1 - - Google Patents
Info
- Publication number
- DD109918A1 DD109918A1 DD17674574A DD17674574A DD109918A1 DD 109918 A1 DD109918 A1 DD 109918A1 DD 17674574 A DD17674574 A DD 17674574A DD 17674574 A DD17674574 A DD 17674574A DD 109918 A1 DD109918 A1 DD 109918A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD17674574A DD109918A1 (en:Method) | 1974-02-22 | 1974-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD17674574A DD109918A1 (en:Method) | 1974-02-22 | 1974-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD109918A1 true DD109918A1 (en:Method) | 1974-11-20 |
Family
ID=5494711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD17674574A DD109918A1 (en:Method) | 1974-02-22 | 1974-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| DD (1) | DD109918A1 (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4808067A (en) * | 1987-02-25 | 1989-02-28 | Alcatel Cit | Rotary vacuum pump |
| EP0825346A1 (de) * | 1996-08-23 | 1998-02-25 | Pfeiffer Vacuum GmbH | Eingangsstufe für eine zweiflutige Gasreibungspumpe |
-
1974
- 1974-02-22 DD DD17674574A patent/DD109918A1/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4808067A (en) * | 1987-02-25 | 1989-02-28 | Alcatel Cit | Rotary vacuum pump |
| EP0825346A1 (de) * | 1996-08-23 | 1998-02-25 | Pfeiffer Vacuum GmbH | Eingangsstufe für eine zweiflutige Gasreibungspumpe |
| DE19634095A1 (de) * | 1996-08-23 | 1998-02-26 | Pfeiffer Vacuum Gmbh | Eingangsstufe für eine zweiflutige Gasreibungspumpe |