NL2467C - - Google Patents
Info
- Publication number
- NL2467C NL2467C NL2467DA NL2467C NL 2467 C NL2467 C NL 2467C NL 2467D A NL2467D A NL 2467DA NL 2467 C NL2467 C NL 2467C
- Authority
- NL
- Netherlands
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
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL2467C true NL2467C (en) | 1900-01-01 |
Family
ID=1773350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL2467D NL2467C (en) |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL2467C (en) |
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0
- NL NL2467D patent/NL2467C/xx active