DE143650C - - Google Patents
Info
- Publication number
- DE143650C DE143650C DENDAT143650D DE143650DA DE143650C DE 143650 C DE143650 C DE 143650C DE NDAT143650 D DENDAT143650 D DE NDAT143650D DE 143650D A DE143650D A DE 143650DA DE 143650 C DE143650 C DE 143650C
- Authority
- DE
- Germany
- Prior art keywords
- negative
- frame
- cover
- springs
- paper
- 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.)
- Active
Links
- 238000005452 bending Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrophotography Configuration And Component (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE143650C true DE143650C (https=) |
Family
ID=411132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT143650D Active DE143650C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE143650C (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5599174A (en) * | 1994-05-18 | 1997-02-04 | Huntleigh Technology Plc. | Diaphragm pump with magnetic actuator |
-
0
- DE DENDAT143650D patent/DE143650C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5599174A (en) * | 1994-05-18 | 1997-02-04 | Huntleigh Technology Plc. | Diaphragm pump with magnetic actuator |
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