FR767568A - - Google Patents
Info
- Publication number
- FR767568A FR767568A FR767568DA FR767568A FR 767568 A FR767568 A FR 767568A FR 767568D A FR767568D A FR 767568DA FR 767568 A FR767568 A FR 767568A
- 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
- 
        - 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
- F21V5/00—Refractors for light sources
 
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| FR767568A true FR767568A (en0) | 1934-07-19 | 
Family
ID=1551551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| FR767568D Expired FR767568A (en0) | 
Country Status (1)
| Country | Link | 
|---|---|
| FR (1) | FR767568A (en0) | 
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| WO1985004704A1 (en) * | 1984-04-09 | 1985-10-24 | Dr. Ing. Willing Gmbh | Floodlight with light intensity adjustment | 
- 
        0
        - FR FR767568D patent/FR767568A/fr not_active Expired
 
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| WO1985004704A1 (en) * | 1984-04-09 | 1985-10-24 | Dr. Ing. Willing Gmbh | Floodlight with light intensity adjustment |