FR472575A - - Google Patents
Info
- Publication number
- FR472575A FR472575A FR472575DA FR472575A FR 472575 A FR472575 A FR 472575A FR 472575D A FR472575D A FR 472575DA FR 472575 A FR472575 A FR 472575A
- 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.)
- Active
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
- G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR472575A true FR472575A (fr) |
Family
ID=1510737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR472575D Active FR472575A (fr) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR472575A (fr) |
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0
- FR FR472575D patent/FR472575A/fr active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR472575A (fr) |