FR1004744A - Porte-film - Google Patents
Porte-filmInfo
- Publication number
- FR1004744A FR1004744A FR1004744DA FR1004744A FR 1004744 A FR1004744 A FR 1004744A FR 1004744D A FR1004744D A FR 1004744DA FR 1004744 A FR1004744 A FR 1004744A
- Authority
- FR
- France
- Prior art keywords
- film holder
- holder
- film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- G03B21/54—Accessories
- G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1004744T | 1949-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1004744A true FR1004744A (fr) | 1952-04-02 |
Family
ID=9564137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1004744D Expired FR1004744A (fr) | 1949-12-29 | 1949-12-29 | Porte-film |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1004744A (fr) |
-
1949
- 1949-12-29 FR FR1004744D patent/FR1004744A/fr not_active Expired
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