FR35075E - - Google Patents
Info
- Publication number
- FR35075E FR35075E FR35075DA FR35075E FR 35075 E FR35075 E FR 35075E FR 35075D A FR35075D A FR 35075DA FR 35075 E FR35075 E FR 35075E
- 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
- H01J21/02—Tubes with a single discharge path
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR35075E true FR35075E (ja) | 1929-12-10 |
Family
ID=1362898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR35075D Expired FR35075E (ja) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR35075E (ja) |
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0
- FR FR35075D patent/FR35075E/fr not_active Expired