FR843055A - Advanced lighting projectors - Google Patents
Advanced lighting projectorsInfo
- Publication number
- FR843055A FR843055A FR843055DA FR843055A FR 843055 A FR843055 A FR 843055A FR 843055D A FR843055D A FR 843055DA FR 843055 A FR843055 A FR 843055A
- Authority
- FR
- France
- Prior art keywords
- advanced lighting
- lighting projectors
- projectors
- advanced
- lighting
- Prior art date
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B31/00—Electric arc lamps
- H05B31/0057—Accessories for arc lamps
- H05B31/0066—Saving arrangements; Ventilation devices
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR843055T | 1938-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR843055A true FR843055A (en) | 1939-06-26 |
Family
ID=9311736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR843055D Expired FR843055A (en) | 1938-03-01 | 1938-03-01 | Advanced lighting projectors |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR843055A (en) |
-
1938
- 1938-03-01 FR FR843055D patent/FR843055A/en not_active Expired
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