FR597353A - - Google Patents
Info
- Publication number
- FR597353A FR597353A FR597353DA FR597353A FR 597353 A FR597353 A FR 597353A FR 597353D A FR597353D A FR 597353DA FR 597353 A FR597353 A FR 597353A
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR597353A true FR597353A (pl) | 1925-11-19 |
Family
ID=1540270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR597353D Expired FR597353A (pl) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR597353A (pl) |
-
0
- FR FR597353D patent/FR597353A/fr not_active Expired