FR937448A - - Google Patents
Info
- Publication number
- FR937448A FR937448A FR937448DA FR937448A FR 937448 A FR937448 A FR 937448A FR 937448D A FR937448D A FR 937448DA FR 937448 A FR937448 A FR 937448A
- 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
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
- H01J5/12—Double-wall vessels or containers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB444245A GB676862A (en) | 1945-02-22 | 1945-02-22 | Improvements in shells or casings on vacuum electric discharge tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR937448A true FR937448A (fr) | 1948-08-31 |
Family
ID=9777248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR937448D Expired FR937448A (fr) | 1945-02-22 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR937448A (fr) |
| GB (1) | GB676862A (fr) |
-
0
- FR FR937448D patent/FR937448A/fr not_active Expired
-
1945
- 1945-02-22 GB GB444245A patent/GB676862A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB676862A (en) | 1952-08-06 |