BE520259A - - Google Patents
Info
- Publication number
- BE520259A BE520259A BE520259DA BE520259A BE 520259 A BE520259 A BE 520259A BE 520259D A BE520259D A BE 520259DA BE 520259 A BE520259 A BE 520259A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
- H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US740267XA | 1952-05-31 | 1952-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE520259A true BE520259A (en:Method) |
Family
ID=22117240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE520259D BE520259A (en:Method) | 1952-05-31 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE520259A (en:Method) |
| GB (1) | GB740267A (en:Method) |
-
0
- BE BE520259D patent/BE520259A/xx unknown
-
1953
- 1953-04-13 GB GB9964/53A patent/GB740267A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB740267A (en) | 1955-11-09 |