CS174888B2 - - Google Patents
Info
- Publication number
- CS174888B2 CS174888B2 CS446973A CS446973A CS174888B2 CS 174888 B2 CS174888 B2 CS 174888B2 CS 446973 A CS446973 A CS 446973A CS 446973 A CS446973 A CS 446973A CS 174888 B2 CS174888 B2 CS 174888B2
- Authority
- CS
- Czechoslovakia
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16430172A DD98567A1 (ja) | 1972-07-10 | 1972-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS174888B2 true CS174888B2 (ja) | 1977-04-29 |
Family
ID=5487409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS446973A CS174888B2 (ja) | 1972-07-10 | 1973-06-21 |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE798127A (ja) |
| BG (1) | BG22417A3 (ja) |
| CS (1) | CS174888B2 (ja) |
| DD (1) | DD98567A1 (ja) |
| DE (1) | DE2256765A1 (ja) |
| HU (1) | HU168951B (ja) |
| NL (1) | NL7300076A (ja) |
| SU (1) | SU517273A3 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8903004A (nl) * | 1989-12-07 | 1991-07-01 | Vni Pk I T Svetotekhnichesky I | Gasontladingslamp. |
| EP1209409B1 (de) * | 2000-11-28 | 2010-06-16 | Siteco Beleuchtungstechnik GmbH | Aussenleuchte mit verbesserter Abstrahlungscharakteristik |
-
1972
- 1972-07-10 DD DD16430172A patent/DD98567A1/xx unknown
- 1972-11-20 DE DE19722256765 patent/DE2256765A1/de active Pending
- 1972-12-20 SU SU1858810A patent/SU517273A3/ru active
-
1973
- 1973-01-03 NL NL7300076A patent/NL7300076A/xx not_active Application Discontinuation
- 1973-01-30 BG BG2256873A patent/BG22417A3/xx unknown
- 1973-02-05 HU HULE000678 patent/HU168951B/hu unknown
- 1973-04-12 BE BE129934A patent/BE798127A/xx unknown
- 1973-06-21 CS CS446973A patent/CS174888B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HU168951B (ja) | 1976-08-28 |
| DD98567A1 (ja) | 1973-06-20 |
| BG22417A3 (ja) | 1977-02-20 |
| DE2256765A1 (de) | 1974-01-31 |
| BE798127A (fr) | 1973-07-31 |
| SU517273A3 (ru) | 1976-06-05 |
| NL7300076A (ja) | 1974-01-14 |