FR743084A - - Google Patents
Info
- Publication number
- FR743084A FR743084A FR743084DA FR743084A FR 743084 A FR743084 A FR 743084A FR 743084D A FR743084D A FR 743084DA FR 743084 A FR743084 A FR 743084A
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
- H01J13/02—Details
- H01J13/20—Control electrodes, e.g. grid
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR743084A true FR743084A (fr) | 1933-03-23 |
Family
ID=1547389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR743084D Expired FR743084A (fr) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR743084A (fr) |
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0
- FR FR743084D patent/FR743084A/fr not_active Expired