FR94805A - - Google Patents
Info
- Publication number
- FR94805A FR94805A FR94805DA FR94805A FR 94805 A FR94805 A FR 94805A FR 94805D A FR94805D A FR 94805DA FR 94805 A FR94805 A FR 94805A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR94805A true FR94805A (ru) | 1900-01-01 |
Family
ID=1366953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR94805D Expired FR94805A (ru) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR94805A (ru) |
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0
- FR FR94805D patent/FR94805A/fr not_active Expired