BE407842A - - Google Patents
Info
- Publication number
- BE407842A BE407842A BE407842DA BE407842A BE 407842 A BE407842 A BE 407842A BE 407842D A BE407842D A BE 407842DA BE 407842 A BE407842 A BE 407842A
- Authority
- BE
- Belgium
- Prior art keywords
- light
- rays
- clarifier
- filament
- electric lamps
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims description 10
- 239000013078 crystal Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229940097275 indigo Drugs 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/26—Screens; Filters
Landscapes
- Glass Compositions (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE407842A true BE407842A (forum.php) |
Family
ID=72532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE407842D BE407842A (forum.php) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE407842A (forum.php) |
-
0
- BE BE407842D patent/BE407842A/fr unknown
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