NL289813A - - Google Patents
Info
- Publication number
- NL289813A NL289813A NL289813DA NL289813A NL 289813 A NL289813 A NL 289813A NL 289813D A NL289813D A NL 289813DA NL 289813 A NL289813 A NL 289813A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/002—Magnifying glasses
- G02B25/004—Magnifying glasses having binocular arrangement
-
- 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
- G02C7/088—Lens systems mounted to spectacles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Health & Medical Sciences (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL289813A true NL289813A (de) | 1900-01-01 |
Family
ID=1874519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL289813D NL289813A (de) |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL289813A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2600430A1 (fr) * | 1986-06-18 | 1987-12-24 | Eliakim Isaac | Lunettes a lentilles supplementaires amovibles |
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0
- NL NL289813D patent/NL289813A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2600430A1 (fr) * | 1986-06-18 | 1987-12-24 | Eliakim Isaac | Lunettes a lentilles supplementaires amovibles |