FR1206958A - - Google Patents
Info
- Publication number
- FR1206958A FR1206958A FR1206958DA FR1206958A FR 1206958 A FR1206958 A FR 1206958A FR 1206958D A FR1206958D A FR 1206958DA FR 1206958 A FR1206958 A FR 1206958A
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/14—Viewfinders
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1206958A true FR1206958A (en:Method) | 1960-02-12 |
Family
ID=1568825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1206958D Expired FR1206958A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1206958A (en:Method) |
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0
- FR FR1206958D patent/FR1206958A/fr not_active Expired