FR877605A - - Google Patents
Info
- Publication number
- FR877605A FR877605A FR877605DA FR877605A FR 877605 A FR877605 A FR 877605A FR 877605D A FR877605D A FR 877605DA FR 877605 A FR877605 A FR 877605A
- 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/54—Arrangements for centring ray or beam
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR877605A true FR877605A (pt) | 1942-12-15 |
Family
ID=1555941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR877605D Expired FR877605A (pt) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR877605A (pt) |
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0
- FR FR877605D patent/FR877605A/fr not_active Expired