BE406741A - - Google Patents
Info
- Publication number
- BE406741A BE406741A BE406741DA BE406741A BE 406741 A BE406741 A BE 406741A BE 406741D A BE406741D A BE 406741DA BE 406741 A BE406741 A BE 406741A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE427293X | 1933-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE406741A true BE406741A (fr) |
Family
ID=6477297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE406741D BE406741A (fr) | 1933-12-11 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE406741A (fr) |
| FR (1) | FR782565A (fr) |
| GB (1) | GB427293A (fr) |
| NL (1) | NL40804C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE911871C (de) * | 1937-03-19 | 1954-05-20 | Tobis Tonbild Syndikat G M B H | Entladungslampe mit Gas- oder Dampffuellung und seitlicher Einengung des Entladungsweges mit Blenden, Schirmen oder aehnlichen Mitteln |
-
0
- NL NL40804D patent/NL40804C/xx active
- BE BE406741D patent/BE406741A/xx unknown
-
1934
- 1934-11-09 GB GB32299/34A patent/GB427293A/en not_active Expired
- 1934-12-10 FR FR782565D patent/FR782565A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR782565A (fr) | 1935-06-07 |
| NL40804C (fr) | |
| GB427293A (en) | 1935-04-18 |