BE404539A - - Google Patents
Info
- Publication number
- BE404539A BE404539A BE404539DA BE404539A BE 404539 A BE404539 A BE 404539A BE 404539D A BE404539D A BE 404539DA BE 404539 A BE404539 A BE 404539A
- 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
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEN35660D DE656438C (de) | 1933-08-29 | 1933-08-29 | Insbesondere fuer Lichtausstrahlung dienende elektrische Entladungsroehre mit Dampf schwer verdampfbarer Metalle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE404539A true BE404539A (en:Method) |
Family
ID=7347070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE404539D BE404539A (en:Method) | 1933-08-29 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE404539A (en:Method) |
| DE (1) | DE656438C (en:Method) |
| FR (1) | FR776840A (en:Method) |
| NL (1) | NL40363C (en:Method) |
-
0
- BE BE404539D patent/BE404539A/xx unknown
-
1933
- 1933-08-29 DE DEN35660D patent/DE656438C/de not_active Expired
- 1933-09-09 NL NL66619A patent/NL40363C/xx active
-
1934
- 1934-08-03 FR FR776840D patent/FR776840A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR776840A (fr) | 1935-02-05 |
| DE656438C (de) | 1938-02-04 |
| NL40363C (en:Method) | 1937-04-15 |