FR955322A - - Google Patents
Info
- Publication number
- FR955322A FR955322A FR955322DA FR955322A FR 955322 A FR955322 A FR 955322A FR 955322D A FR955322D A FR 955322DA FR 955322 A FR955322 A FR 955322A
- 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
- H01J21/00—Vacuum tubes
- H01J21/36—Tubes with flat electrodes, e.g. disc electrode
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR955322A true FR955322A (ja) | 1950-01-14 |
Family
ID=1558086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR955322D Expired FR955322A (ja) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR955322A (ja) |
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0
- FR FR955322D patent/FR955322A/fr not_active Expired