JPH01133142U - - Google Patents
Info
- Publication number
- JPH01133142U JPH01133142U JP1988029237U JP2923788U JPH01133142U JP H01133142 U JPH01133142 U JP H01133142U JP 1988029237 U JP1988029237 U JP 1988029237U JP 2923788 U JP2923788 U JP 2923788U JP H01133142 U JPH01133142 U JP H01133142U
- Authority
- JP
- Japan
- Prior art keywords
- rear screen
- transparent plate
- back side
- utility
- scope
- 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
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988029237U JPH01133142U (en]) | 1988-03-07 | 1988-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988029237U JPH01133142U (en]) | 1988-03-07 | 1988-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01133142U true JPH01133142U (en]) | 1989-09-11 |
Family
ID=31253276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988029237U Pending JPH01133142U (en]) | 1988-03-07 | 1988-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01133142U (en]) |
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1988
- 1988-03-07 JP JP1988029237U patent/JPH01133142U/ja active Pending