DE242102C - - Google Patents
Info
- Publication number
- DE242102C DE242102C DENDAT242102D DE242102DA DE242102C DE 242102 C DE242102 C DE 242102C DE NDAT242102 D DENDAT242102 D DE NDAT242102D DE 242102D A DE242102D A DE 242102DA DE 242102 C DE242102 C DE 242102C
- Authority
- DE
- Germany
- Prior art keywords
- thread
- flap
- locking device
- beam path
- 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.)
- Active
Links
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001681 protective 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
- G03B21/14—Details
- G03B21/18—Fire preventing or extinguishing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Looms (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE242102C true DE242102C (OSRAM) |
Family
ID=501343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT242102D Active DE242102C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE242102C (OSRAM) |
-
0
- DE DENDAT242102D patent/DE242102C/de active Active
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