FR35051E - - Google Patents
Info
- Publication number
- FR35051E FR35051E FR35051DA FR35051E FR 35051 E FR35051 E FR 35051E FR 35051D A FR35051D A FR 35051DA FR 35051 E FR35051 E FR 35051E
- 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
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/18—Supports; Vibration-damping arrangements
Publications (1)
Publication Number | Publication Date |
---|---|
FR35051E true FR35051E (es) | 1929-12-10 |
Family
ID=1362876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR35051D Expired FR35051E (es) |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR35051E (es) |
-
0
- FR FR35051D patent/FR35051E/fr not_active Expired