BE365213A - - Google Patents
Info
- Publication number
- BE365213A BE365213A BE365213DA BE365213A BE 365213 A BE365213 A BE 365213A BE 365213D A BE365213D A BE 365213DA BE 365213 A BE365213 A BE 365213A
- Authority
- BE
- Belgium
- Prior art keywords
- light
- parts
- diaphragm
- opaque
- curves
- Prior art date
Links
- 210000000188 Diaphragm Anatomy 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 5
- 238000004020 luminiscence type Methods 0.000 claims description 2
- 230000003247 decreasing Effects 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000033764 rhythmic process Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000004059 degradation Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005282 brightening Methods 0.000 description 1
- 230000003287 optical Effects 0.000 description 1
- 210000000056 organs Anatomy 0.000 description 1
Landscapes
- Projection Apparatus (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE365213A true BE365213A (de) |
Family
ID=37545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE365213D BE365213A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE365213A (de) |
-
0
- BE BE365213D patent/BE365213A/fr unknown
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