BE628782A - - Google Patents
Info
- Publication number
- BE628782A BE628782A BE628782DA BE628782A BE 628782 A BE628782 A BE 628782A BE 628782D A BE628782D A BE 628782DA BE 628782 A BE628782 A BE 628782A
- Authority
- BE
- Belgium
- Prior art keywords
- frame
- sheet
- ridges
- grooves
- film
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 241000282320 Panthera leo Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE628782A true BE628782A (enrdf_load_stackoverflow) |
Family
ID=198517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE628782D BE628782A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE628782A (enrdf_load_stackoverflow) |
-
0
- BE BE628782D patent/BE628782A/fr unknown
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