JPH02119236U - - Google Patents
Info
- Publication number
- JPH02119236U JPH02119236U JP1989024161U JP2416189U JPH02119236U JP H02119236 U JPH02119236 U JP H02119236U JP 1989024161 U JP1989024161 U JP 1989024161U JP 2416189 U JP2416189 U JP 2416189U JP H02119236 U JPH02119236 U JP H02119236U
- Authority
- JP
- Japan
- Prior art keywords
- units
- semicylindrical
- basically
- screen
- large number
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989024161U JPH02119236U (en]) | 1989-03-02 | 1989-03-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989024161U JPH02119236U (en]) | 1989-03-02 | 1989-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02119236U true JPH02119236U (en]) | 1990-09-26 |
Family
ID=31243772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989024161U Pending JPH02119236U (en]) | 1989-03-02 | 1989-03-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02119236U (en]) |
-
1989
- 1989-03-02 JP JP1989024161U patent/JPH02119236U/ja active Pending