AT180816B - Optical apparatus, in particular photographic viewfinders - Google Patents
Optical apparatus, in particular photographic viewfindersInfo
- Publication number
- AT180816B AT180816B AT180816DA AT180816B AT 180816 B AT180816 B AT 180816B AT 180816D A AT180816D A AT 180816DA AT 180816 B AT180816 B AT 180816B
- Authority
- AT
- Austria
- Prior art keywords
- viewfinders
- optical apparatus
- particular photographic
- photographic
- optical
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH180816X | 1949-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT180816B true AT180816B (en) | 1955-01-25 |
Family
ID=4430301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT180816D AT180816B (en) | 1949-09-23 | 1950-08-24 | Optical apparatus, in particular photographic viewfinders |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT180816B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2919623A (en) * | 1955-07-09 | 1960-01-05 | Voigtlaender Ag | Viewfinder for photographic cameras |
-
1950
- 1950-08-24 AT AT180816D patent/AT180816B/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2919623A (en) * | 1955-07-09 | 1960-01-05 | Voigtlaender Ag | Viewfinder for photographic cameras |
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