FR775815A - Lentil enhancements - Google Patents
Lentil enhancementsInfo
- Publication number
- FR775815A FR775815A FR775815DA FR775815A FR 775815 A FR775815 A FR 775815A FR 775815D A FR775815D A FR 775815DA FR 775815 A FR775815 A FR 775815A
- Authority
- FR
- France
- Prior art keywords
- lentil
- enhancements
- lentil enhancements
- 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
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR775815T | 1934-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR775815A true FR775815A (en) | 1935-01-10 |
Family
ID=9200658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR775815D Expired FR775815A (en) | 1934-07-13 | 1934-07-13 | Lentil enhancements |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR775815A (en) |
-
1934
- 1934-07-13 FR FR775815D patent/FR775815A/en not_active Expired
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