BE455420A - - Google Patents
Info
- Publication number
- BE455420A BE455420A BE455420DA BE455420A BE 455420 A BE455420 A BE 455420A BE 455420D A BE455420D A BE 455420DA BE 455420 A BE455420 A BE 455420A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL903555X | 1943-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE455420A true BE455420A (en:Method) |
Family
ID=19858493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE455420D BE455420A (en:Method) | 1943-04-21 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE455420A (en:Method) |
| FR (1) | FR903555A (en:Method) |
-
0
- BE BE455420D patent/BE455420A/xx unknown
-
1944
- 1944-04-19 FR FR903555D patent/FR903555A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR903555A (fr) | 1945-10-09 |