BE452922A - - Google Patents
Info
- Publication number
- BE452922A BE452922A BE452922DA BE452922A BE 452922 A BE452922 A BE 452922A BE 452922D A BE452922D A BE 452922DA BE 452922 A BE452922 A BE 452922A
- 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
- H01J61/04—Electrodes; Screens; Shields
- H01J61/045—Thermic screens or reflectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL243222X | 1942-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE452922A true BE452922A (ja�@�@) |
Family
ID=19780706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE452922D BE452922A (ja�@�@) | 1942-10-31 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE452922A (ja�@�@) |
| CH (1) | CH243222A (ja�@�@) |
| DE (1) | DE842689C (ja�@�@) |
| FR (1) | FR899311A (ja�@�@) |
| GB (1) | GB615940A (ja�@�@) |
| NL (1) | NL65485C (ja�@�@) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0366187A1 (en) * | 1988-10-24 | 1990-05-02 | Koninklijke Philips Electronics N.V. | High-pressure discharge lamp |
-
0
- BE BE452922D patent/BE452922A/xx unknown
- NL NL65485D patent/NL65485C/xx active
-
1943
- 1943-10-29 CH CH243222D patent/CH243222A/de unknown
- 1943-10-29 FR FR899311D patent/FR899311A/fr not_active Expired
- 1943-10-30 DE DEN2490D patent/DE842689C/de not_active Expired
-
1946
- 1946-08-01 GB GB22928/46A patent/GB615940A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH243222A (de) | 1946-06-30 |
| FR899311A (fr) | 1945-05-28 |
| NL65485C (ja�@�@) | |
| DE842689C (de) | 1952-06-30 |
| GB615940A (en) | 1949-01-13 |