FR980508A - - Google Patents
Info
- Publication number
- FR980508A FR980508A FR980508DA FR980508A FR 980508 A FR980508 A FR 980508A FR 980508D A FR980508D A FR 980508DA FR 980508 A FR980508 A FR 980508A
- 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
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR980508A true FR980508A (uk) | 1951-05-15 |
Family
ID=1566908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR980508D Expired FR980508A (uk) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR980508A (uk) |
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0
- FR FR980508D patent/FR980508A/fr not_active Expired