FR978028A - Appareil de reproduction photographique de documents - Google Patents
Appareil de reproduction photographique de documentsInfo
- Publication number
- FR978028A FR978028A FR978028DA FR978028A FR 978028 A FR978028 A FR 978028A FR 978028D A FR978028D A FR 978028DA FR 978028 A FR978028 A FR 978028A
- Authority
- FR
- France
- Prior art keywords
- reproduction device
- document reproduction
- photographic document
- photographic
- reproduction
- 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
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/50—Projection printing apparatus, e.g. enlarger, copying camera with slit or like diaphragm moving over original for progressive exposure
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US978028XA | 1943-05-21 | 1943-05-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR978028A true FR978028A (fr) | 1951-04-09 |
Family
ID=22265195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR978028D Expired FR978028A (fr) | 1943-05-21 | 1948-02-27 | Appareil de reproduction photographique de documents |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR978028A (fr) |
-
1948
- 1948-02-27 FR FR978028D patent/FR978028A/fr not_active Expired
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