JPH02149932U - - Google Patents
Info
- Publication number
- JPH02149932U JPH02149932U JP1989058697U JP5869789U JPH02149932U JP H02149932 U JPH02149932 U JP H02149932U JP 1989058697 U JP1989058697 U JP 1989058697U JP 5869789 U JP5869789 U JP 5869789U JP H02149932 U JPH02149932 U JP H02149932U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- width
- chain
- center
- curtain
- 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
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- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989058697U JPH02149932U (en:Method) | 1989-05-23 | 1989-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989058697U JPH02149932U (en:Method) | 1989-05-23 | 1989-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02149932U true JPH02149932U (en:Method) | 1990-12-21 |
Family
ID=31584544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989058697U Pending JPH02149932U (en:Method) | 1989-05-23 | 1989-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02149932U (en:Method) |
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1989
- 1989-05-23 JP JP1989058697U patent/JPH02149932U/ja active Pending