BE356705A - - Google Patents
Info
- Publication number
- BE356705A BE356705A BE356705DA BE356705A BE 356705 A BE356705 A BE 356705A BE 356705D A BE356705D A BE 356705DA BE 356705 A BE356705 A BE 356705A
- 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
- H01J61/12—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 |
|---|---|---|---|
| NL1994301X | 1928-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE356705A true BE356705A (ko) |
Family
ID=19873451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE356705D BE356705A (ko) | 1928-01-18 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1994301A (ko) |
| BE (1) | BE356705A (ko) |
| FR (1) | FR666040A (ko) |
-
0
- BE BE356705D patent/BE356705A/xx unknown
-
1928
- 1928-12-11 US US325198A patent/US1994301A/en not_active Expired - Lifetime
- 1928-12-18 FR FR666040D patent/FR666040A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR666040A (fr) | 1929-09-26 |
| US1994301A (en) | 1935-03-12 |