BE426375A - - Google Patents
Info
- Publication number
- BE426375A BE426375A BE426375DA BE426375A BE 426375 A BE426375 A BE 426375A BE 426375D A BE426375D A BE 426375DA BE 426375 A BE426375 A BE 426375A
- Authority
- BE
- Belgium
- Prior art keywords
- diamonds
- examination
- transparency
- shade
- box
- Prior art date
Links
- 239000010432 diamond Substances 0.000 claims description 24
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000004575 stone Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/02—Viewing or reading apparatus
- G02B27/022—Viewing apparatus
- G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
- G02B27/025—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies and magnifying means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426375A true BE426375A (enrdf_load_stackoverflow) |
Family
ID=87174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426375D BE426375A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE426375A (enrdf_load_stackoverflow) |
-
0
- BE BE426375D patent/BE426375A/fr unknown
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