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
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR767568A true FR767568A (en) | 1934-07-19 |
Family
ID=1551551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR767568D Expired FR767568A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR767568A (en) |
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 |
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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 |