BE491031A - - Google Patents
Info
- Publication number
- BE491031A BE491031A BE491031DA BE491031A BE 491031 A BE491031 A BE 491031A BE 491031D A BE491031D A BE 491031DA BE 491031 A BE491031 A BE 491031A
- 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
- H01J7/183—Composition or manufacture of getters
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB994708X | 1948-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE491031A true BE491031A (no) |
Family
ID=10867268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE491031D BE491031A (no) | 1948-09-08 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE491031A (no) |
| FR (1) | FR994708A (no) |
-
0
- BE BE491031D patent/BE491031A/xx unknown
-
1949
- 1949-09-06 FR FR994708D patent/FR994708A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR994708A (fr) | 1951-11-21 |