BE355094A - - Google Patents
Info
- Publication number
- BE355094A BE355094A BE355094DA BE355094A BE 355094 A BE355094 A BE 355094A BE 355094D A BE355094D A BE 355094DA BE 355094 A BE355094 A BE 355094A
- 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
- H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
-
- 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
- H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL299704X | 1927-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE355094A true BE355094A (en:Method) |
Family
ID=19783188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE355094D BE355094A (en:Method) | 1927-10-29 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE355094A (en:Method) |
| FR (1) | FR662768A (en:Method) |
| GB (1) | GB299704A (en:Method) |
-
0
- BE BE355094D patent/BE355094A/xx unknown
-
1928
- 1928-10-22 FR FR662768D patent/FR662768A/fr not_active Expired
- 1928-10-22 GB GB30571/28A patent/GB299704A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR662768A (fr) | 1929-08-12 |
| GB299704A (en) | 1930-01-16 |