FR940488A - - Google Patents
Info
- Publication number
- FR940488A FR940488A FR940488DA FR940488A FR 940488 A FR940488 A FR 940488A FR 940488D A FR940488D A FR 940488DA FR 940488 A FR940488 A FR 940488A
- 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
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/001—Non-constructive schematic arrangements
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR940488A true FR940488A (da) | 1948-12-24 |
Family
ID=1557301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR940488D Expired FR940488A (da) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR940488A (da) |
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0
- FR FR940488D patent/FR940488A/fr not_active Expired