FR739007A - - Google Patents
Info
- Publication number
- FR739007A FR739007A FR739007DA FR739007A FR 739007 A FR739007 A FR 739007A FR 739007D A FR739007D A FR 739007DA FR 739007 A FR739007 A FR 739007A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US396210XA | 1931-10-31 | 1931-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR739007A true FR739007A (fr) | 1932-12-31 |
Family
ID=21906459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR739007D Expired FR739007A (fr) | 1931-10-31 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR739007A (fr) |
| GB (1) | GB396210A (fr) |
-
0
- FR FR739007D patent/FR739007A/fr not_active Expired
-
1932
- 1932-06-18 GB GB17293/32A patent/GB396210A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB396210A (en) | 1933-08-03 |