BE371415A - - Google Patents
Info
- Publication number
- BE371415A BE371415A BE371415DA BE371415A BE 371415 A BE371415 A BE 371415A BE 371415D A BE371415D A BE 371415DA BE 371415 A BE371415 A BE 371415A
- 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
- H01J61/92—Lamps with more than one main discharge path
- H01J61/94—Paths producing light of different wavelengths, e.g. for simulating daylight
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US362885XA | 1929-06-26 | 1929-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE371415A true BE371415A (ja) | 1930-08-31 |
Family
ID=21887743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE371415D BE371415A (ja) | 1929-06-26 | 1930-06-25 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE371415A (ja) |
| FR (1) | FR697463A (ja) |
| GB (1) | GB362885A (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62252061A (ja) * | 1986-04-22 | 1987-11-02 | 周 成祥 | 複色発光放電灯 |
-
1930
- 1930-06-05 GB GB17433/30A patent/GB362885A/en not_active Expired
- 1930-06-16 FR FR697463D patent/FR697463A/fr not_active Expired
- 1930-06-25 BE BE371415D patent/BE371415A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB362885A (en) | 1931-12-08 |
| FR697463A (fr) | 1931-01-19 |