FR52069E - - Google Patents
Info
- Publication number
- FR52069E FR52069E FR52069DA FR52069E FR 52069 E FR52069 E FR 52069E FR 52069D A FR52069D A FR 52069DA FR 52069 E FR52069 E FR 52069E
- Authority
- FR
- France
- 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
- G03B9/70—Exposure-making shutters; Diaphragms with flash-synchronising contacts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR52069E true FR52069E (de) | 1943-08-13 |
Family
ID=1363310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR52069D Expired FR52069E (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR52069E (de) |
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0
- FR FR52069D patent/FR52069E/fr not_active Expired