JPS644428U - - Google Patents
Info
- Publication number
- JPS644428U JPS644428U JP9833287U JP9833287U JPS644428U JP S644428 U JPS644428 U JP S644428U JP 9833287 U JP9833287 U JP 9833287U JP 9833287 U JP9833287 U JP 9833287U JP S644428 U JPS644428 U JP S644428U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- curvature
- transmission
- utility
- model registration
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 3
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9833287U JPS644428U (enExample) | 1987-06-26 | 1987-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9833287U JPS644428U (enExample) | 1987-06-26 | 1987-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS644428U true JPS644428U (enExample) | 1989-01-11 |
Family
ID=31324498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9833287U Pending JPS644428U (enExample) | 1987-06-26 | 1987-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS644428U (enExample) |
-
1987
- 1987-06-26 JP JP9833287U patent/JPS644428U/ja active Pending