BE397776A - - Google Patents
Info
- Publication number
- BE397776A BE397776A BE397776DA BE397776A BE 397776 A BE397776 A BE 397776A BE 397776D A BE397776D A BE 397776DA BE 397776 A BE397776 A BE 397776A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
- H01J61/22—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent vapour of an alkali metal
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1961750X | 1932-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE397776A true BE397776A (xx) |
Family
ID=7793038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE397776D BE397776A (xx) | 1932-12-31 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1961750A (xx) |
| BE (1) | BE397776A (xx) |
| NL (1) | NL37467C (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2615140A (en) * | 1948-09-28 | 1952-10-21 | Hartford Nat Bank & Trust Co | Electric discharge tube containing an alkaline metal |
| US3219869A (en) * | 1963-07-01 | 1965-11-23 | Gen Electric | Cesium vapor discharge lamp |
| NL6511266A (xx) * | 1965-08-28 | 1967-03-01 |
-
0
- BE BE397776D patent/BE397776A/xx unknown
- NL NL37467D patent/NL37467C/xx active
-
1933
- 1933-12-15 US US702590A patent/US1961750A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL37467C (xx) | |
| US1961750A (en) | 1934-06-05 |