BE739875A - - Google Patents
Info
- Publication number
- BE739875A BE739875A BE739875DA BE739875A BE 739875 A BE739875 A BE 739875A BE 739875D A BE739875D A BE 739875DA BE 739875 A BE739875 A BE 739875A
- Authority
- BE
- Belgium
Links
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
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/321—Holders for films, e.g. reels, cassettes, spindles
- G03B21/323—Cassettes
-
- 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)
- Packages (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6908047A FR2038619A5 (es) | 1969-03-20 | 1969-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE739875A true BE739875A (es) | 1970-03-16 |
Family
ID=9030957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE739875D BE739875A (es) | 1969-03-20 | 1969-10-06 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE739875A (es) |
| DE (1) | DE6943408U (es) |
| FR (1) | FR2038619A5 (es) |
-
1969
- 1969-03-20 FR FR6908047A patent/FR2038619A5/fr not_active Expired
- 1969-10-06 BE BE739875D patent/BE739875A/xx unknown
- 1969-11-04 DE DE19696943408 patent/DE6943408U/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2038619A5 (es) | 1971-01-08 |
| DE6943408U (de) | 1970-03-12 |