BE724047A - - Google Patents
Info
- Publication number
- BE724047A BE724047A BE724047DA BE724047A BE 724047 A BE724047 A BE 724047A BE 724047D A BE724047D A BE 724047DA BE 724047 A BE724047 A BE 724047A
- Authority
- BE
- Belgium
- Prior art keywords
- sheets
- edges
- microfilm
- sheet
- films
- Prior art date
Links
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 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)
- Sheet Holders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE724047 | 1968-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE724047A true BE724047A (enrdf_load_stackoverflow) | 1969-05-02 |
Family
ID=3853835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE724047D BE724047A (enrdf_load_stackoverflow) | 1968-11-18 | 1968-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE724047A (enrdf_load_stackoverflow) |
-
1968
- 1968-11-18 BE BE724047D patent/BE724047A/fr unknown
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