FR2243521B3 - - Google Patents
Info
- Publication number
- FR2243521B3 FR2243521B3 FR7430210A FR7430210A FR2243521B3 FR 2243521 B3 FR2243521 B3 FR 2243521B3 FR 7430210 A FR7430210 A FR 7430210A FR 7430210 A FR7430210 A FR 7430210A FR 2243521 B3 FR2243521 B3 FR 2243521B3
- 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
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
-
- 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 |
---|---|---|---|
DD173319A DD105937A1 (it) | 1973-09-06 | 1973-09-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2243521A1 FR2243521A1 (it) | 1975-04-04 |
FR2243521B3 true FR2243521B3 (it) | 1977-06-17 |
Family
ID=5492671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7430210A Expired FR2243521B3 (it) | 1973-09-06 | 1974-09-05 |
Country Status (8)
Country | Link |
---|---|
CS (1) | CS180181B1 (it) |
DD (1) | DD105937A1 (it) |
DE (1) | DE2437292A1 (it) |
FR (1) | FR2243521B3 (it) |
IT (1) | IT1019156B (it) |
NL (1) | NL7411795A (it) |
SE (1) | SE7411319L (it) |
SU (1) | SU572861A1 (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4109175A (en) * | 1976-03-19 | 1978-08-22 | Matsushita Electronics Corporation | High pressure sodium vapor discharge lamp |
DE102004011976A1 (de) * | 2004-03-10 | 2005-09-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Leuchtmittel mit einem Schichtsystem zur Reflektierung abgegebener infraroter Strahlung |
-
1973
- 1973-09-06 DD DD173319A patent/DD105937A1/xx unknown
-
1974
- 1974-08-02 DE DE2437292A patent/DE2437292A1/de active Pending
- 1974-08-29 IT IT52801/74A patent/IT1019156B/it active
- 1974-09-04 SU SU7402057719A patent/SU572861A1/ru active
- 1974-09-05 FR FR7430210A patent/FR2243521B3/fr not_active Expired
- 1974-09-05 NL NL7411795A patent/NL7411795A/xx unknown
- 1974-09-06 SE SE7411319A patent/SE7411319L/xx unknown
- 1974-09-06 CS CS7400006157A patent/CS180181B1/cs unknown
Also Published As
Publication number | Publication date |
---|---|
DD105937A1 (it) | 1974-05-12 |
DE2437292A1 (de) | 1975-03-13 |
NL7411795A (nl) | 1975-03-10 |
SE7411319L (it) | 1975-03-07 |
SU572861A1 (ru) | 1977-09-15 |
FR2243521A1 (it) | 1975-04-04 |
IT1019156B (it) | 1977-11-10 |
CS180181B1 (en) | 1977-12-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |