FR2121403A1 - - Google Patents
Info
- Publication number
- FR2121403A1 FR2121403A1 FR7100636A FR7100636A FR2121403A1 FR 2121403 A1 FR2121403 A1 FR 2121403A1 FR 7100636 A FR7100636 A FR 7100636A FR 7100636 A FR7100636 A FR 7100636A FR 2121403 A1 FR2121403 A1 FR 2121403A1
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/40—Optical focusing aids
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7100636A FR2121403A1 (forum.php) | 1971-01-11 | 1971-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7100636A FR2121403A1 (forum.php) | 1971-01-11 | 1971-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2121403A1 true FR2121403A1 (forum.php) | 1972-08-25 |
Family
ID=9070053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7100636A Pending FR2121403A1 (forum.php) | 1971-01-11 | 1971-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2121403A1 (forum.php) |
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1971
- 1971-01-11 FR FR7100636A patent/FR2121403A1/fr active Pending