FR529471A - Fire extinguisher for cinematographs - Google Patents
Fire extinguisher for cinematographsInfo
- Publication number
- FR529471A FR529471A FR529471DA FR529471A FR 529471 A FR529471 A FR 529471A FR 529471D A FR529471D A FR 529471DA FR 529471 A FR529471 A FR 529471A
- Authority
- FR
- France
- Prior art keywords
- cinematographs
- fire extinguisher
- extinguisher
- fire
- 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
- G03B21/14—Details
- G03B21/18—Fire preventing or extinguishing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB529471X | 1919-10-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR529471A true FR529471A (en) | 1921-11-29 |
Family
ID=10465965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR529471D Expired FR529471A (en) | 1919-10-02 | 1921-01-07 | Fire extinguisher for cinematographs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR529471A (en) |
-
1921
- 1921-01-07 FR FR529471D patent/FR529471A/en not_active Expired
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