FR954871A - - Google Patents
Info
- Publication number
- FR954871A FR954871A FR954871DA FR954871A FR 954871 A FR954871 A FR 954871A FR 954871D A FR954871D A FR 954871DA FR 954871 A FR954871 A FR 954871A
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR954871A true FR954871A (xx) | 1950-01-06 |
Family
ID=1557702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR954871D Expired FR954871A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR954871A (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3245750A (en) * | 1960-12-30 | 1966-04-12 | Miller Carl David | Optical apparatus for use in photography |
-
0
- FR FR954871D patent/FR954871A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3245750A (en) * | 1960-12-30 | 1966-04-12 | Miller Carl David | Optical apparatus for use in photography |