JPS5569921A - Method of manufacturing vacuum valve - Google Patents
Method of manufacturing vacuum valveInfo
- Publication number
- JPS5569921A JPS5569921A JP14283778A JP14283778A JPS5569921A JP S5569921 A JPS5569921 A JP S5569921A JP 14283778 A JP14283778 A JP 14283778A JP 14283778 A JP14283778 A JP 14283778A JP S5569921 A JPS5569921 A JP S5569921A
- Authority
- JP
- Japan
- Prior art keywords
- vacuum valve
- manufacturing vacuum
- manufacturing
- valve
- vacuum
- Prior art date
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14283778A JPS5569921A (en) | 1978-11-21 | 1978-11-21 | Method of manufacturing vacuum valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14283778A JPS5569921A (en) | 1978-11-21 | 1978-11-21 | Method of manufacturing vacuum valve |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5569921A true JPS5569921A (en) | 1980-05-27 |
Family
ID=15324758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14283778A Pending JPS5569921A (en) | 1978-11-21 | 1978-11-21 | Method of manufacturing vacuum valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5569921A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57105927A (en) * | 1980-12-22 | 1982-07-01 | Tokyo Shibaura Electric Co | Method of producing vacuum bulb |
US4630361A (en) * | 1983-10-24 | 1986-12-23 | Mitsubishi Denki Kabushiki Kaisha | Process for preparing a vacuum switch tube |
-
1978
- 1978-11-21 JP JP14283778A patent/JPS5569921A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57105927A (en) * | 1980-12-22 | 1982-07-01 | Tokyo Shibaura Electric Co | Method of producing vacuum bulb |
US4630361A (en) * | 1983-10-24 | 1986-12-23 | Mitsubishi Denki Kabushiki Kaisha | Process for preparing a vacuum switch tube |
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