FR740354A - Lunette-jumelle - Google Patents
Lunette-jumelleInfo
- Publication number
- FR740354A FR740354A FR740354DA FR740354A FR 740354 A FR740354 A FR 740354A FR 740354D A FR740354D A FR 740354DA FR 740354 A FR740354 A FR 740354A
- Authority
- FR
- France
- Prior art keywords
- binocular
- 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 |
---|---|---|---|
FR740354T | 1932-07-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR740354A true FR740354A (fr) | 1933-01-25 |
Family
ID=9134389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR740354D Expired FR740354A (fr) | 1932-07-21 | 1932-07-21 | Lunette-jumelle |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR740354A (fr) |
-
1932
- 1932-07-21 FR FR740354D patent/FR740354A/fr not_active Expired
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