FR437672A - Jumelle-lunettes - Google Patents
Jumelle-lunettesInfo
- Publication number
- FR437672A FR437672A FR437672DA FR437672A FR 437672 A FR437672 A FR 437672A FR 437672D A FR437672D A FR 437672DA FR 437672 A FR437672 A FR 437672A
- Authority
- FR
- France
- Prior art keywords
- binoculars
- 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 |
---|---|---|---|
FR437672T | 1911-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR437672A true FR437672A (fr) | 1912-04-27 |
Family
ID=1479264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR437672D Expired FR437672A (fr) | 1911-12-14 | 1911-12-14 | Jumelle-lunettes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR437672A (fr) |
-
1911
- 1911-12-14 FR FR437672D patent/FR437672A/fr not_active Expired
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