FR636302A - - Google Patents
Info
- Publication number
- FR636302A FR636302A FR636302DA FR636302A FR 636302 A FR636302 A FR 636302A FR 636302D A FR636302D A FR 636302DA FR 636302 A FR636302 A FR 636302A
- 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
- H01J2893/0012—Constructional arrangements
- H01J2893/0026—Machines for manufacture of grids or anodes
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR636302A true FR636302A (en) | 1928-04-06 |
Family
ID=1542181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR636302D Expired FR636302A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR636302A (en) |
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0
- FR FR636302D patent/FR636302A/fr not_active Expired