FR561971A - Obturateur photographique - Google Patents
Obturateur photographiqueInfo
- Publication number
- FR561971A FR561971A FR561971DA FR561971A FR 561971 A FR561971 A FR 561971A FR 561971D A FR561971D A FR 561971DA FR 561971 A FR561971 A FR 561971A
- Authority
- FR
- France
- Prior art keywords
- photographic shutter
- photographic
- shutter
- 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR561971T | 1923-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR561971A true FR561971A (fr) | 1923-10-31 |
Family
ID=8943976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR561971D Expired FR561971A (fr) | 1923-02-09 | 1923-02-09 | Obturateur photographique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR561971A (fr) |
-
1923
- 1923-02-09 FR FR561971D patent/FR561971A/fr not_active Expired
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