BE727468A - - Google Patents
Info
- Publication number
- BE727468A BE727468A BE727468DA BE727468A BE 727468 A BE727468 A BE 727468A BE 727468D A BE727468D A BE 727468DA BE 727468 A BE727468 A BE 727468A
- Authority
- BE
- Belgium
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
- H01J19/28—Non-electron-emitting electrodes; Screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0013—Sealed electrodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6801264A NL6801264A (fr) | 1968-01-27 | 1968-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE727468A true BE727468A (fr) | 1969-07-28 |
Family
ID=19802618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE727468D BE727468A (fr) | 1968-01-27 | 1969-01-27 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT281212B (fr) |
| BE (1) | BE727468A (fr) |
| CH (1) | CH488285A (fr) |
| ES (1) | ES362924A1 (fr) |
| FR (1) | FR1593681A (fr) |
| GB (1) | GB1183309A (fr) |
| NL (1) | NL6801264A (fr) |
-
1968
- 1968-01-27 NL NL6801264A patent/NL6801264A/xx unknown
- 1968-11-27 FR FR1593681D patent/FR1593681A/fr not_active Expired
-
1969
- 1969-01-24 CH CH109369A patent/CH488285A/de not_active IP Right Cessation
- 1969-01-24 GB GB409369A patent/GB1183309A/en not_active Expired
- 1969-01-24 AT AT72769A patent/AT281212B/de not_active IP Right Cessation
- 1969-01-25 ES ES362924A patent/ES362924A1/es not_active Expired
- 1969-01-27 BE BE727468D patent/BE727468A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH488285A (de) | 1970-03-31 |
| DE1900543A1 (de) | 1969-08-28 |
| NL6801264A (fr) | 1969-07-29 |
| DE1900543B2 (de) | 1975-09-04 |
| AT281212B (de) | 1970-05-11 |
| GB1183309A (en) | 1970-03-04 |
| ES362924A1 (es) | 1970-11-16 |
| FR1593681A (fr) | 1970-06-01 |