BE389302A - - Google Patents
Info
- Publication number
- BE389302A BE389302A BE389302DA BE389302A BE 389302 A BE389302 A BE 389302A BE 389302D A BE389302D A BE 389302DA BE 389302 A BE389302 A BE 389302A
- Authority
- BE
- Belgium
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
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
-
- 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
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE747617X | 1932-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE389302A true BE389302A (pl) |
Family
ID=3879516
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE388245D BE388245A (pl) | 1932-05-02 | ||
| BE389302D BE389302A (pl) | 1932-05-02 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE388245D BE388245A (pl) | 1932-05-02 |
Country Status (2)
| Country | Link |
|---|---|
| BE (2) | BE389302A (pl) |
| FR (1) | FR747617A (pl) |
-
0
- BE BE388245D patent/BE388245A/xx unknown
- BE BE389302D patent/BE389302A/xx unknown
-
1932
- 1932-12-15 FR FR747617D patent/FR747617A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR747617A (fr) | 1933-06-20 |
| BE388245A (pl) |