BE421157A - - Google Patents
Info
- Publication number
- BE421157A BE421157A BE421157DA BE421157A BE 421157 A BE421157 A BE 421157A BE 421157D A BE421157D A BE 421157DA BE 421157 A BE421157 A BE 421157A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
- H01J29/894—Arrangements combined with the vessel for the purpose of image projection on a screen
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2188581X | 1936-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE421157A true BE421157A (https=) |
Family
ID=7989230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE421157D BE421157A (https=) | 1936-04-22 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE421157A (https=) |
| FR (1) | FR820890A (https=) |
-
0
- BE BE421157D patent/BE421157A/xx unknown
-
1937
- 1937-04-21 FR FR820890D patent/FR820890A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR820890A (fr) | 1937-11-20 |