FR701614A - Lunettes - Google Patents
LunettesInfo
- Publication number
- FR701614A FR701614A FR701614DA FR701614A FR 701614 A FR701614 A FR 701614A FR 701614D A FR701614D A FR 701614DA FR 701614 A FR701614 A FR 701614A
- Authority
- FR
- France
- Prior art keywords
- glasses
- 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
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
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 |
---|---|---|---|
GB701614X | 1929-09-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR701614A true FR701614A (fr) | 1931-03-20 |
Family
ID=10493756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR701614D Expired FR701614A (fr) | 1929-09-18 | 1930-09-02 | Lunettes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR701614A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4540238A (en) * | 1982-02-16 | 1985-09-10 | Edwards D Brandon | Bilevel telemicroscopic apparatus |
-
1930
- 1930-09-02 FR FR701614D patent/FR701614A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4540238A (en) * | 1982-02-16 | 1985-09-10 | Edwards D Brandon | Bilevel telemicroscopic apparatus |
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