FR633011A - - Google Patents
Info
- Publication number
- FR633011A FR633011A FR633011DA FR633011A FR 633011 A FR633011 A FR 633011A FR 633011D A FR633011D A FR 633011DA FR 633011 A FR633011 A FR 633011A
- 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
- H01J19/66—Means forming part of the tube for the purpose of providing electrical connection to it
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR633011A true FR633011A (en) | 1928-01-19 |
Family
ID=1542040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR633011D Expired FR633011A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR633011A (en) |
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0
- FR FR633011D patent/FR633011A/fr not_active Expired