BE371412A - - Google Patents
Info
- Publication number
- BE371412A BE371412A BE371412DA BE371412A BE 371412 A BE371412 A BE 371412A BE 371412D A BE371412D A BE 371412DA BE 371412 A BE371412 A BE 371412A
- 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
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/76—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a filling of permanent gas or gases only
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US698958XA | 1929-06-26 | 1929-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE371412A true BE371412A (https=) |
Family
ID=22091868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE371412D BE371412A (https=) | 1929-06-26 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE371412A (https=) |
| FR (1) | FR698958A (https=) |
| GB (1) | GB356745A (https=) |
-
0
- BE BE371412D patent/BE371412A/xx unknown
-
1930
- 1930-06-05 GB GB17436/30A patent/GB356745A/en not_active Expired
- 1930-06-16 FR FR698958D patent/FR698958A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB356745A (https=) | 1931-09-07 |
| FR698958A (fr) | 1931-02-09 |