FR580042A - Projector - Google Patents
ProjectorInfo
- Publication number
- FR580042A FR580042A FR580042DA FR580042A FR 580042 A FR580042 A FR 580042A FR 580042D A FR580042D A FR 580042DA FR 580042 A FR580042 A FR 580042A
- Authority
- FR
- France
- Prior art keywords
- projector
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/28—Cover glass
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR580042T | 1924-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR580042A true FR580042A (en) | 1924-10-28 |
Family
ID=8956527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR580042D Expired FR580042A (en) | 1924-04-11 | 1924-04-11 | Projector |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR580042A (en) |
-
1924
- 1924-04-11 FR FR580042D patent/FR580042A/en not_active Expired
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