FR997899A - Viseur photographique - Google Patents
Viseur photographiqueInfo
- Publication number
- FR997899A FR997899A FR997899DA FR997899A FR 997899 A FR997899 A FR 997899A FR 997899D A FR997899D A FR 997899DA FR 997899 A FR997899 A FR 997899A
- Authority
- FR
- France
- Prior art keywords
- viewfinder
- photographic
- photographic viewfinder
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/14—Viewfinders
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR997899T | 1945-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR997899A true FR997899A (fr) | 1952-01-11 |
Family
ID=9558996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR997899D Expired FR997899A (fr) | 1945-08-28 | 1945-08-28 | Viseur photographique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR997899A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2931282A (en) * | 1952-12-17 | 1960-04-05 | Freeman H Owens | Camera |
-
1945
- 1945-08-28 FR FR997899D patent/FR997899A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2931282A (en) * | 1952-12-17 | 1960-04-05 | Freeman H Owens | Camera |
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