BE561222A - - Google Patents
Info
- Publication number
- BE561222A BE561222A BE561222DA BE561222A BE 561222 A BE561222 A BE 561222A BE 561222D A BE561222D A BE 561222DA BE 561222 A BE561222 A BE 561222A
- Authority
- BE
- Belgium
- Prior art keywords
- counter
- square window
- window
- luminous
- square
- Prior art date
Links
- 239000004744 fabric Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 240000001973 Ficus microcarpa Species 0.000 description 1
- 241001233242 Lontra Species 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/02—Eyepieces; Magnifying glasses with means for illuminating object viewed
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE561222A true BE561222A (OSRAM) |
Family
ID=183242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE561222D BE561222A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE561222A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5087112A (en) * | 1990-07-19 | 1992-02-11 | Designs For Vision, Inc. | Optical magnifier apparatus |
-
0
- BE BE561222D patent/BE561222A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5087112A (en) * | 1990-07-19 | 1992-02-11 | Designs For Vision, Inc. | Optical magnifier apparatus |
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