BE420327A - - Google Patents
Info
- Publication number
- BE420327A BE420327A BE420327DA BE420327A BE 420327 A BE420327 A BE 420327A BE 420327D A BE420327D A BE 420327DA BE 420327 A BE420327 A BE 420327A
- 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE818625X | 1936-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE420327A true BE420327A (fr) |
Family
ID=6735477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE420327D BE420327A (fr) | 1936-03-04 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE420327A (fr) |
| FR (1) | FR818625A (fr) |
-
0
- BE BE420327D patent/BE420327A/xx unknown
-
1937
- 1937-03-02 FR FR818625D patent/FR818625A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR818625A (fr) | 1937-09-30 |