BE450197A - - Google Patents
Info
- Publication number
- BE450197A BE450197A BE450197DA BE450197A BE 450197 A BE450197 A BE 450197A BE 450197D A BE450197D A BE 450197DA BE 450197 A BE450197 A BE 450197A
- Authority
- BE
- Belgium
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR973283T | 1941-08-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE450197A true BE450197A (zh) |
Family
ID=9516639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE450197D BE450197A (zh) | 1941-08-18 |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE450197A (zh) |
FR (1) | FR973283A (zh) |
-
0
- BE BE450197D patent/BE450197A/xx unknown
-
1941
- 1941-08-18 FR FR973283D patent/FR973283A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR973283A (fr) | 1951-02-09 |