FR577555A - Film-miroir - Google Patents
Film-miroirInfo
- Publication number
- FR577555A FR577555A FR577555DA FR577555A FR 577555 A FR577555 A FR 577555A FR 577555D A FR577555D A FR 577555DA FR 577555 A FR577555 A FR 577555A
- Authority
- FR
- France
- Prior art keywords
- mirror film
- mirror
- film
- 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
-
- 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
- G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR577555T | 1924-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR577555A true FR577555A (fr) | 1924-09-08 |
Family
ID=8954811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR577555D Expired FR577555A (fr) | 1924-02-21 | 1924-02-21 | Film-miroir |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR577555A (fr) |
-
1924
- 1924-02-21 FR FR577555D patent/FR577555A/fr not_active Expired
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