JPS5039826B1 - - Google Patents
Info
- Publication number
- JPS5039826B1 JPS5039826B1 JP689869A JP689869A JPS5039826B1 JP S5039826 B1 JPS5039826 B1 JP S5039826B1 JP 689869 A JP689869 A JP 689869A JP 689869 A JP689869 A JP 689869A JP S5039826 B1 JPS5039826 B1 JP S5039826B1
- Authority
- JP
- Japan
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/668—Means for obtaining or monitoring the vacuum
- H01H33/6683—Means for obtaining or monitoring the vacuum by gettering
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP689869A JPS5039826B1 (ja) | 1969-01-30 | 1969-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP689869A JPS5039826B1 (ja) | 1969-01-30 | 1969-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5039826B1 true JPS5039826B1 (ja) | 1975-12-19 |
Family
ID=11651026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP689869A Pending JPS5039826B1 (ja) | 1969-01-30 | 1969-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5039826B1 (ja) |
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1969
- 1969-01-30 JP JP689869A patent/JPS5039826B1/ja active Pending