DD132890A1 - VACUUM CONTROL VALVE - Google Patents
VACUUM CONTROL VALVEInfo
- Publication number
- DD132890A1 DD132890A1 DD20036777A DD20036777A DD132890A1 DD 132890 A1 DD132890 A1 DD 132890A1 DD 20036777 A DD20036777 A DD 20036777A DD 20036777 A DD20036777 A DD 20036777A DD 132890 A1 DD132890 A1 DD 132890A1
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- control valve
- vacuum control
- vacuum
- valve
- control
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD20036777A DD132890A1 (en) | 1977-08-01 | 1977-08-01 | VACUUM CONTROL VALVE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD20036777A DD132890A1 (en) | 1977-08-01 | 1977-08-01 | VACUUM CONTROL VALVE |
Publications (1)
Publication Number | Publication Date |
---|---|
DD132890A1 true DD132890A1 (en) | 1978-11-15 |
Family
ID=5509327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD20036777A DD132890A1 (en) | 1977-08-01 | 1977-08-01 | VACUUM CONTROL VALVE |
Country Status (1)
Country | Link |
---|---|
DD (1) | DD132890A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5170990A (en) * | 1989-12-01 | 1992-12-15 | Canon Kabushiki Kaisha | Vacuum valve and a vacuum treating apparatus in which said vacuum valve is used |
-
1977
- 1977-08-01 DD DD20036777A patent/DD132890A1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5170990A (en) * | 1989-12-01 | 1992-12-15 | Canon Kabushiki Kaisha | Vacuum valve and a vacuum treating apparatus in which said vacuum valve is used |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENJ | Ceased due to non-payment of renewal fee |