CS170840B1 - - Google Patents
Info
- Publication number
- CS170840B1 CS170840B1 CS843171A CS843171A CS170840B1 CS 170840 B1 CS170840 B1 CS 170840B1 CS 843171 A CS843171 A CS 843171A CS 843171 A CS843171 A CS 843171A CS 170840 B1 CS170840 B1 CS 170840B1
- Authority
- CS
- Czechoslovakia
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
- G03B21/10—Projectors with built-in or built-on screen
- G03B21/11—Projectors with built-in or built-on screen for microfilm reading
- G03B21/118—Reader-printers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15172770 | 1970-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS170840B1 true CS170840B1 (cs) | 1976-09-15 |
Family
ID=5483229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS843171A CS170840B1 (cs) | 1970-12-04 | 1971-12-03 |
Country Status (3)
| Country | Link |
|---|---|
| CS (1) | CS170840B1 (cs) |
| DE (2) | DE2104386A1 (cs) |
| SU (1) | SU513339A1 (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1089585B (it) * | 1977-12-01 | 1985-06-18 | Durst Fabbrica Macchine Ed App | Apparecchio per l'ingrandimento fotografico utilizzabile in un ambiente illuminato |
-
1971
- 1971-01-30 DE DE19712104386 patent/DE2104386A1/de active Pending
- 1971-10-01 DE DE19717137322 patent/DE7137322U/de not_active Expired
- 1971-11-03 SU SU1711323A patent/SU513339A1/ru active
- 1971-12-03 CS CS843171A patent/CS170840B1/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2104386A1 (de) | 1972-08-03 |
| SU513339A1 (ru) | 1976-05-05 |
| DE7137322U (de) | 1972-01-13 |