FR533128A - Appareil flexible à calquer à la lumière - Google Patents
Appareil flexible à calquer à la lumièreInfo
- Publication number
- FR533128A FR533128A FR533128DA FR533128A FR 533128 A FR533128 A FR 533128A FR 533128D A FR533128D A FR 533128DA FR 533128 A FR533128 A FR 533128A
- Authority
- FR
- France
- Prior art keywords
- flexible light
- tracing device
- light tracing
- flexible
- tracing
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/02—Exposure apparatus for contact printing
- G03B27/14—Details
- G03B27/18—Maintaining or producing contact pressure between original and light-sensitive material
- G03B27/22—Maintaining or producing contact pressure between original and light-sensitive material by stretching over a curved surface
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE533128X | 1920-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR533128A true FR533128A (fr) | 1922-02-22 |
Family
ID=6555874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR533128D Expired FR533128A (fr) | 1920-03-01 | 1921-03-31 | Appareil flexible à calquer à la lumière |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR533128A (fr) |
-
1921
- 1921-03-31 FR FR533128D patent/FR533128A/fr not_active Expired
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