DD131487A1 - SHUT-OFF VALVE WITH AUTOMATIC VENTILATION DEVICE FOR VACUUM PUMPS - Google Patents
SHUT-OFF VALVE WITH AUTOMATIC VENTILATION DEVICE FOR VACUUM PUMPSInfo
- Publication number
- DD131487A1 DD131487A1 DD19967577A DD19967577A DD131487A1 DD 131487 A1 DD131487 A1 DD 131487A1 DD 19967577 A DD19967577 A DD 19967577A DD 19967577 A DD19967577 A DD 19967577A DD 131487 A1 DD131487 A1 DD 131487A1
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- shut
- valve
- ventilation device
- vacuum pumps
- automatic ventilation
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD19967577A DD131487A1 (en) | 1977-06-24 | 1977-06-24 | SHUT-OFF VALVE WITH AUTOMATIC VENTILATION DEVICE FOR VACUUM PUMPS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD19967577A DD131487A1 (en) | 1977-06-24 | 1977-06-24 | SHUT-OFF VALVE WITH AUTOMATIC VENTILATION DEVICE FOR VACUUM PUMPS |
Publications (1)
Publication Number | Publication Date |
---|---|
DD131487A1 true DD131487A1 (en) | 1978-06-28 |
Family
ID=5508866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD19967577A DD131487A1 (en) | 1977-06-24 | 1977-06-24 | SHUT-OFF VALVE WITH AUTOMATIC VENTILATION DEVICE FOR VACUUM PUMPS |
Country Status (1)
Country | Link |
---|---|
DD (1) | DD131487A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3436849A1 (en) * | 1984-02-29 | 1985-08-29 | Veb Kombinat Medizin- Und Labortechnik Leipzig, Ddr 7033 Leipzig | Shut-off valve for vacuum pumps |
EP0162434A2 (en) * | 1984-05-21 | 1985-11-27 | General Signal Corporation | Antisuckback device for rotary piston pumps |
EP0163228A2 (en) * | 1984-05-21 | 1985-12-04 | General Signal Corporation | Inlet shut-off valve for rotary piston pumps |
-
1977
- 1977-06-24 DD DD19967577A patent/DD131487A1/en unknown
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3436849A1 (en) * | 1984-02-29 | 1985-08-29 | Veb Kombinat Medizin- Und Labortechnik Leipzig, Ddr 7033 Leipzig | Shut-off valve for vacuum pumps |
EP0162434A2 (en) * | 1984-05-21 | 1985-11-27 | General Signal Corporation | Antisuckback device for rotary piston pumps |
EP0163228A2 (en) * | 1984-05-21 | 1985-12-04 | General Signal Corporation | Inlet shut-off valve for rotary piston pumps |
EP0162434A3 (en) * | 1984-05-21 | 1986-03-05 | General Signal Corporation | Antisuckback device for rotary piston pumps |
EP0163228A3 (en) * | 1984-05-21 | 1986-03-05 | General Signal Corporation | Inlet shut-off valve for rotary piston pumps |
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