FR743577A - - Google Patents
Info
- Publication number
- FR743577A FR743577A FR743577DA FR743577A FR 743577 A FR743577 A FR 743577A FR 743577D A FR743577D A FR 743577DA FR 743577 A FR743577 A FR 743577A
- 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
- G03B9/64—Mechanism for delaying opening of shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
FR743577A true FR743577A (ko) | 1933-04-01 |
Family
ID=1547817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR743577D Expired FR743577A (ko) |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR743577A (ko) |
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0
- FR FR743577D patent/FR743577A/fr not_active Expired