FR889380A - Objectifs photographiques - Google Patents
Objectifs photographiquesInfo
- Publication number
- FR889380A FR889380A FR889380DA FR889380A FR 889380 A FR889380 A FR 889380A FR 889380D A FR889380D A FR 889380DA FR 889380 A FR889380 A FR 889380A
- Authority
- FR
- France
- Prior art keywords
- photographic lenses
- photographic
- lenses
- 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
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US889380XA | 1941-01-09 | 1941-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR889380A true FR889380A (fr) | 1944-01-07 |
Family
ID=22214399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR889380D Expired FR889380A (fr) | 1941-01-09 | 1942-12-23 | Objectifs photographiques |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR889380A (fr) |
-
1942
- 1942-12-23 FR FR889380D patent/FR889380A/fr not_active Expired
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